Redefining Energy - TECH

In this episode, Gerard Reid, Laurent Segalen and Michael Barnard dug into the technologies and narratives that keep surfacing in discussions about the energy transition, but which continue to underdeliver when you scrutinize the economics and engineering realities.Carbon capture and direct air capture remain heavily subsidy-driven, often costing more to operate than the value of the CO₂ they sequester. The dilution of carbon in the atmosphere makes the whole proposition profoundly inefficient, and while there are niche opportunities where high-purity CO₂ streams are adjacent to storage infrastructure, those remain exceptions. Enhanced oil recovery is the only space where the numbers truly add up, which means the public ends up footing the bill for most other applications. Even regulatory pushes, such as Germany’s, can’t overcome the fundamental cost and scalability barriers. Hydrogen suffers from a parallel set of problems. The sector’s viability as a broad energy carrier depends on hitting a production cost of around $1 per kilogram, but real-world projects are stuck closer to $8 per kilogram. That gap has led to a string of cancellations from heavy hitters like BP, Exxon, and Air Products. Despite the hype around green hydrogen, the underlying assumptions never matched the physics or the economics. Battery electrification has emerged as the far more effective pathway for most transport, leaving hydrogen to fight for narrow industrial niches while its infrastructure and fuel cell supply chains lag behind.Nuclear energy is facing its own reckoning. The pivot toward small modular reactors was meant to revive the industry with faster, cheaper, more scalable deployment, but the reality looks different. Project sizes have crept upward, wiping out the “modular” advantage, and costs are trending well above $200 per megawatt-hour—hardly competitive. Ontario’s flagship SMR project is already slipping years past its promised delivery, and there’s little to suggest Wright’s Law cost declines will appear in a sector defined by bespoke builds and long lead times. Investors may find opportunities in the extended development cycles, but the contribution to near-term decarbonization remains negligible.Fusion is another seductive technology that continues to consume enormous sums of capital without altering the climate trajectory. ITER alone is 30 years behind schedule and twenty times over budget, aiming only for a five-minute sustained reaction by 2040—without generating electricity. Private startups are raising capital but remain decades away from surmounting fundamental engineering barriers. I’ve said before that fusion may eventually matter for space exploration, but it’s irrelevant for terrestrial energy in this century. Still, as a scientific project, it’s worth continuing—but policymakers must not confuse it with a climate solution.Biofuels offer a more mixed picture. First-generation projects like corn ethanol were both environmentally and economically flawed, but second- and third-generation fuels derived from waste streams are showing promise. These have a real role to play in hard-to-electrify domains like aviation and maritime shipping. However, they’re not a replacement for direct electrification on the ground. European policy still reflects caution due to food-versus-fuel concerns, but as technologies improve, biofuels can carve out a targeted and pragmatic role.We also touched on the politics and market dynamics of offshore wind and ESG. Offshore wind in the U.S. continues to face transmission bottlenecks, fragmented policy, and outright political hostility, leading to cancelled and delayed projects. Meanwhile, Europe’s integrated approach in the North Sea demonstrates what’s possible with coordinated policy. On ESG, we acknowledged the criticisms around greenwashing and governance metrics that often make little sense. Yet, even through the noise, investment flows tell a real story: fossil fuel funding is down 25%, and corporate decarbonization continues, even if much of it is “green hushed.” Governance frameworks are evolving, with multi-stakeholder models like B Corps pointing toward a fundamental redefinition of fiduciary responsibility.Taken together, these discussions reinforce a central theme: the energy transition isn’t about wishful thinking or fashionable narratives. It’s about hard economics, engineering constraints, and political realities. Technologies like carbon capture, hydrogen, SMRs, and fusion may attract attention and capital, but their roles are narrow at best and distractions at worst. The real work is in scaling what actually delivers—electrification, renewables, smarter grids, and targeted complementary solutions like advanced biofuels.

In this episode of Redefining Energy Tech Michael Barnard sat down with Lyle Trytten, who many in the industry know as the nickel nerd. He has spent decades working in mining and mineral processing and has become a trusted voice for organizations like Natural Resources Canada and the International Energy Agency. Our conversation turned to the techno-economic realities of seabed mining, a topic made timely by American executive orders on resource leasing and the ongoing debates around the Clarion Clipperton Zone in the Pacific.Lyle laid out the three categories of undersea mineralization that matter: manganese-rich crusts closer to shore, sulfide deposits around black smokers, and the polymetallic nodules that dominate the abyssal plains. It is those nodules that attract the most attention, given their mix of manganese, nickel, copper, cobalt and iron. The percentages matter here. Manganese makes up 20 to 30% of nodules, feeding a steel market of about 20 million tons annually. Copper mirrors manganese in demand at similar volumes. Nickel sits above copper in value, with nodules carrying over 1% grades. Cobalt is the prize, worth two and a half times nickel and largely controlled today by the Democratic Republic of Congo with annual output of 250,000 to 300,000 tons. Compared to terrestrial deposits, those grades are very competitive, often better than what current copper and nickel mines deliver onshore.Of course, the challenge is not what lies within the nodules but where they are. Four kilometers down is a different game than an open pit in Chile. Lyle framed it with a simple multiplier: one times for onshore, ten times for offshore, a hundred times underwater, and a thousand times when you hit the seabed. The Clarion Clipperton Zone lies thousands of kilometers from shore, making costs and logistics daunting. Even compared to offshore oil, with rigs like Deepwater Horizon working at 1.5 kilometers depth, this is an order of magnitude harder. That reality explains why seabed mining remains more a promise than a practice.We also dug into the credibility problem the sector faces. The history of mining is littered with scams, from Bre-X to pump-and-dump juniors, which is why Canada now requires transparent disclosures under NI 43-101. Without strict governance and independent validation, seabed mining risks repeating those mistakes. The resource base is not the issue. Just as with oil, the minerals are there. The question is whether reserves—economically viable, technically accessible deposits—will come online in time to meet surging demand, especially for copper, which looks tight in the next 15 years.Substitutability plays a role too. Aluminum can stand in for copper in transmission lines. Stainless steel has shifted chemistries in response to nickel price spikes. Battery makers tweak their chemistries—NMC ratios change with market conditions, and lithium iron phosphate has taken half the electric vehicle market without using nickel, manganese, or cobalt at all. Recycling will matter increasingly, but with service lives of decades for stainless and 20 years for batteries, secondary supply will not relieve near-term shortages. Companies like Redwood Materials and Moment Energy are building the bridge to a circular system, but the lag time is real.The conversation left me with a clear takeaway. Seabed mining is not an easy fix. The minerals are there in attractive grades, but the depth, cost, and governance challenges are immense. At the same time, demand for copper, nickel, and cobalt will keep rising, and prices will eventually force new sources to market. The industry has opportunities in recycling, substitution, and responsible development, but the old habits of hype and over-promising will have to be broken if it is to have a role in the critical minerals future.

Michael Barnard hosts Paul Martin and Emiel van Druten in an insightful podcast episode exploring the Netherlands’ evolving energy transition scenarios, specifically focusing on strategic planning for 2030 and 2050. Emil van Druten, leading the scenario development at Tennet, collaborates closely with Dutch network operators, leveraging his engineering background to advance pragmatic electrification pathways.Central to the discussion is a recent workshop where Canadian experts provided critical economic validation of the proposed high-electrification strategies. This validation helps anchor ambitious scenarios in realistic economic contexts, highlighting where adjustments might enhance feasibility and efficacy. Complementing these strategic insights was a site visit to the Netherlands' largest operating land-based wind farm—200 MW of wind generation complemented by solar and upcoming battery storage. Detailed discussion covered turbine specifications, operational efficiencies, and the integration potential of such multi-technology sites.The historical context provided by Flevoland's infrastructure evolution underscores the Netherlands' capacity for resilience, particularly with regard to the Afsluitdijk closure dam and sophisticated pumping station operations. Strategically scheduling these pumping stations based on fluctuating energy prices has already achieved substantial operational cost savings, with significant further potential identified through increased automation.The conversation also highlighted acute challenges facing industrial sectors historically dependent on Groningen gas, as the scheduled closure of this major gas field threatens competitiveness. Transition urgency grows, prompting industrial sectors, including major refineries, to rethink energy sourcing strategies and economic positioning within European markets.Biomethane emerges as a notable strategic element, with significant domestic capacity aimed at enhancing industrial processes and providing backup power generation. The strategy prioritizes biomethane for industrial feedstock rather than residential use, capitalizing on its benefits for CO2 enrichment in greenhouse agriculture and nutrient cycling back to farmlands. Maintaining existing methane plants is crucial for ensuring generation reliability, particularly during renewable generation shortfalls anticipated in capacity planning for the early 2030s.Emil and Paul also explore the technological merits of aquifer thermal energy storage (ATES), particularly effective for seasonal heat storage and cooling applications in conjunction with greenhouse operations. Geological advantages and deep drilling expertise have made the Netherlands a leader in this technology, complementing the shift toward optimized heat pump solutions for residential heating. They advocate moving decisively toward all-electric heat pumps over hybrid systems, recommending regulatory adaptations to streamline adoption without imposing expensive building fabric upgrades.Finally, the episode outlines critical regulatory and operational actions needed: automating pumping stations for additional energy savings, revising regulations to facilitate practical heat pump adoption in residential sectors, and addressing persistent regulatory delays hindering district heating initiatives. The insights provided offer a comprehensive blueprint for navigating the complexities and opportunities of the Dutch energy transition.

In Episode 53 of Redefining Energy TECH, Host Michael Barnard speaks with Tristan Smith, a prominent expert in maritime decarbonization and professor at the University College London Energy Institute. Tristan shares his insights, beginning with an overview of maritime shipping, which accounts for approximately 1 gigaton of CO₂ equivalent annually, making it responsible for about 2-3% of global emissions. Crucially, the regulatory oversight for these emissions sits largely with the International Maritime Organization (IMO) due to the nature of international shipping occurring beyond national jurisdictions.Our conversation moves through the historical context of the IMO, tracing its evolution from a safety standards body established post-Titanic disaster to an organization now deeply involved in global climate policy. Historically, the IMO faced significant challenges in progressing climate regulations due to entrenched disagreements between developed and developing countries around responsibilities. The Paris Agreement in 2015, alongside persistent advocacy from smaller nations like the Marshall Islands, notably shifted this dynamic, leading to the adoption of the IMO’s initial climate strategy in 2018.We delve into recent regulatory developments, including the unprecedented IMO vote initiated by Saudi Arabia, resulting in a decisive 63-to-16 vote (with around 29 abstentions) mandating progressive reductions in greenhouse gas intensity for ships over the next 25 years. The regulation sets clear fines for non-compliance—$380 per ton for exceeding the highest threshold and $100 per ton for mid-level breaches—ultimately requiring ships to achieve a 65% reduction in emissions intensity by 2040.The discussion highlights the role of Emissions Control Areas (ECAs), established initially to curb SOx and NOx emissions in sensitive regions like the Baltic Sea, North Sea, and North America, effectively serving as early tests for broader international regulations. Additionally, we critically examine LNG’s journey from a touted solution for reducing SOx and NOx emissions to its complicated position as a potential climate liability due to significant methane emissions both onboard and upstream. Norway’s influential promotion of LNG and subsequent studies, such as those by the International Council on Clean Transportation, underline these complexities. Finally, Tristan emphasizes the future challenges facing maritime decarbonization, notably the risk of technological lock-in with LNG and the powerful role of the oil and gas industry within the maritime sector. We also explore the shifting political landscape as global fossil fuel transportation—currently 40% of maritime tonnage along with another declining 15% for raw iron ore—faces inevitable structural declines, promising profound implications for industry dynamics and global decarbonization efforts.

In this episode of Redefining Energy Tech, host Michael Barnard sat down with Dr. Joseph Romm—physicist, energy policy veteran, and author of The Hype About Hydrogen—to pull back the curtain on hydrogen’s persistent mystique. Romm isn’t new to the debate. Back in the early 2000s, he was among the first to publicly challenge the logic of hydrogen as a viable energy carrier. Now, twenty years later, he’s back with a completely rewritten edition of his book, just in time for Earth Day, and the message hasn’t changed: the hydrogen hype is still hype.What makes Romm’s critique so compelling is his history. He once supported hydrogen research while in the Clinton-era Department of Energy, betting on Sandia Labs’ onboard gasoline reformers. But that hope dissolved under the weight of technical reality. In 2003, as the Bush administration rolled out its $1.3 billion hydrogen initiative, Romm published the first edition of The Hype About Hydrogen, drawing a stark contrast between hydrogen’s theoretical promise and its practical inefficiency. The fundamental math hasn’t budged. Hydrogen production, storage, transport, and conversion wastes up to 80% of the original renewable electricity. Batteries? They waste closer to 20%.Fast forward to today, and hydrogen is once again being paraded as a climate solution, this time with a new coat of green paint. But Romm’s updated research shows the same miscalculations baked into the models of the IEA, CSIRO, and even PIK—institutions that projected green hydrogen prices based on wildly optimistic learning curves. Hydrogen didn’t follow the same cost trajectory as solar or batteries. In fact, between 2020 and 2024, the cost of electrolyzers increased by 40%—a staggering reversal of expectations that should have set off alarm bells across boardrooms and ministries.We also tackled the real-world energy transition playing out in China. While Western nations argue over tariffs and watch supply chains buckle, China is installing 350 gigawatts of solar and wind in a single year—ten times its nuclear additions—and prioritizing direct electrification over hydrogen. It’s not just policy rhetoric; it’s industrial reality.This divergence is becoming painfully clear in the transport sector. European advisors have publicly declared hydrogen “dead for trucks,” pointing instead to the obvious solution: battery-electric vehicles and megawatt-scale charging infrastructure. The market is responding. Companies trying to straddle both hydrogen and battery bets—Van Hool, Quantron, Nikola—are struggling or collapsing. Romm calls this “narrative disarticulation”—an elegant way of saying that serious people are quietly walking away from the hydrogen dream.His final warning is unequivocal: investing in hydrogen based on outdated assumptions is a recipe for stranded assets and political distraction. Industry’s call to support “dirty hydrogen now, clean later” isn’t just a bait-and-switch—it’s a carbon trap dressed up in green branding. If we’re serious about climate, it’s time to let go of the hydrogen mirage and double down on what we know works: clean, efficient electrification.Want to rethink your assumptions on hydrogen? This is the episode to listen to.

In this eye-opening episode (part 1/2), Host Michael Barnard invites Simon Todd, Managing Director of Causeway Energies and a man whose geological expertise spans from the chalk beds of Northern Ireland to the drilling decks of BP. Simon joins the podcast to drag geothermal energy out of its misunderstood niche and into the spotlight it deserves.Simon, who spent 25 years at BP before pivoting hard into the future, lays out a vision for geothermal that’s far more than volcanic spas and Icelandic outliers. He starts by grounding us (literally) in the Earth’s temperature dynamics: from a molten 6,000°C core to the relatively tame gradients of continental crust. We learn that geothermal isn’t just a matter of poking around tectonic hotspots. With modern drilling and clever thermal engineering, you can tap heat just about anywhere—even in the soggy, non-volcanic soils of the UK and Ireland.He gets into the mechanics too, explaining how ground source heat pumps use the shallow earth—those top 10–15 meters that swing with the seasons—to store and retrieve heat. He unpacks the performance metric du jour, the Coefficient of Performance (COP), and shows how deeper wells (500 to 700 meters) vastly outperform air-source systems. The returns? In some projects, a sub-3-year payback. That’s not a climate virtue signal—that’s a boardroom greenlight.But Simon doesn't stop at closed-loop systems. He dives into the real geothermal opportunity hiding beneath our feet: open-loop aquifer systems. These draw warm water from permeable rock formations—‘rock sponges,’ as he puts it—offering faster heat transfer than passive conduction. And yet, while ATES systems thrive across the Netherlands and Belgium, they’re barely used in the UK or Ireland. Why? Bureaucratic inertia, unfamiliarity, and maybe just a lack of storytelling.With directional drilling tech now able to reach aquifers from a single pad, and real-time data steering drill heads with pinpoint accuracy, Simon argues we have the tools and the data. What’s missing is awareness—and maybe a bit of ambition.This episode is a geothermal masterclass from someone who’s lived both the legacy fossil past and the clean energy future. If you're still thinking geothermal is just for hot springs and sci-fi, Simon Todd is here to prove otherwise—with numbers, with tech, and with real-world results.Follow the show for more episodes like this one, where energy myths get debunked, and the future gets explained.

The transformation of global power systems is accelerating as wind and solar become dominant energy sources. In the latest episode of Redefining Energy Tech, Mark O'Malley, Leverhulme Professor of Power Systems at Imperial College London, offers a deep dive into the challenges and opportunities of this transition in an in-depth conversation with host Michael Barnard.O'Malley brings decades of expertise in energy system integration, drawing from his work at McGill University, NREL, and the Energy Systems Integration Group. The conversation highlights a pivotal 2018-2019 workshop on achieving high renewable penetration, setting the stage for discussions on the shift from traditional synchronous generators to inverter-based resources.The move to an inverter-driven grid presents new technical hurdles, particularly in balancing supply and demand while maintaining stability. O'Malley outlines six critical research areas shaping the future of power systems: inverter technologies, distributed energy resources, planning and adequacy, control room modernization, stability detection tools, and system services.One of the most pressing challenges is optimizing the balance between grid-following and grid-forming inverters. While grid-following inverters currently dominate, grid-forming inverters hold the potential to establish voltage and frequency independently. The complexity of integrating diverse inverter designs across different manufacturers adds another layer of difficulty.Beyond technical challenges, the discussion extends to global power system dynamics, with a focus on China’s contrasting regional power structures. The integration of AC and DC transmission, particularly in connecting renewable-rich regions to demand centers, underscores the necessity for international collaboration in solving system-wide challenges.Key action items emerging from the discussion include updating the research agenda for power system transformation and refining the balance between inverter types in various grid configurations. As power systems evolve, the industry must prioritize research, coordination, and investment to ensure stability and reliability in a renewable-driven future.Listen to the full conversation on Redefining Energy Tech for an in-depth exploration of these critical issues shaping the next era of energy systems.

In Episode 45 of the *Redefining Energy TECH* series, host Michael Barnard invites David Fishman, a senior manager at Lantau Group. David delves into the intricacies of China's energy landscape, highlighting the country's efforts to balance growth and decarbonization. Despite coal's continued dominance, constituting 55-60% of the energy mix, Fishman discusses measures aimed at limiting its growth. While projections suggest a slight increase in coal consumption due to weaker hydropower performance, China is making strides to shut down smaller, less efficient coal plants. Efforts to grow electricity consumption without proportionally increasing coal usage remain a priority, with current coal plant utilization rates around 48-49%.Natural gas plays a minor role in China’s power generation, primarily confined to coastal regions where LNG imports supplement energy needs. LNG is an emerging trend in transportation, with 8% of heavy long-distance trucks now powered by LNG, offering an alternative to diesel. The rise of electric vehicles is also noteworthy, as Tesla sales in China grew by 8.8%, bucking the trend of global sales declines.China’s nuclear sector, once envisioned as a central pillar of its energy strategy, has faced delays but is now regaining momentum. The development of domestic nuclear technology, particularly the Hualong 1 reactor, has enabled the approval of ten new reactors annually since 2022. Although nuclear energy’s role has shifted from a backbone solution to a niche yet critical component, Fishman underscores its potential importance in achieving the final stages of grid decarbonization.The episode also explores China’s robust progress in renewable energy. Wind and solar power, which began scaling up in the late 2000s, are now adding an impressive 300 gigawatts annually, consistently exceeding targets. While nuclear remains behind on its ambitious goals, renewables continue to lead the charge in transforming China’s energy system. Fishman reflects on the unique scalability of China’s nuclear program, noting the challenges other countries may face in replicating its rapid progress. With renewables, nuclear, and a shifting transportation landscape, China’s energy future presents both challenges and opportunities for decarbonization.

In the latest episode of *Redefining Energy Tech*, host Michael Barnard is joined by Gavin Mudd, director of the Critical Minerals Intelligence Center at the British Geological Survey, for an insightful discussion on critical minerals, their supply risks, and the environmental challenges posed by mining practices. Mudd, an environmental engineer with extensive expertise in assessing the ecological impacts of the mining sector, shares his perspective on the growing demand for critical minerals such as lithium, cobalt, and rare earth elements, emphasizing their importance in the transition to renewable energy technologies.The conversation delves into the global supply risks associated with critical minerals, highlighting factors such as production concentration, trade dependencies, recycling, and the economic and national security implications of shortages. Lithium and cobalt emerge as key materials for battery technologies, with a noted shift toward lithium iron phosphate batteries in China. Mudd also discusses the substitutability of certain materials, such as aluminum replacing copper in wiring, as a potential mitigation strategy.The episode sheds light on rare earth elements, which, despite being found globally, are overwhelmingly processed and refined in China. This dominance raises environmental concerns, particularly regarding radioactive residues like thorium and uranium associated with rare earth minerals. Mudd notes that while China is improving its environmental management practices, the rest of the world must also address these challenges by developing better systems for managing radioactive waste.A key theme is the expertise gap between China and Western countries in mining and processing. Mudd highlights the decline in mining and geology programs in Western universities, driven by negative perceptions of the industry. This expertise gap exacerbates the challenges of securing sustainable mineral supplies and addressing environmental impacts. The conversation emphasizes the urgent need to attract new talent to the sector, improve the industry's image, and address the critical shortage of geologists and mining engineers.The discussion concludes with a forward-looking proposal for a Global Mining Legacy Fund, aimed at addressing environmental damage from legacy mines. Mudd calls for greater government intervention to secure critical mineral supplies and balance the benefits of globalization with the risks to supply chains. Actionable recommendations include researching better management practices for radioactive residues, enhancing the perception of the mining industry to attract students, and implementing initiatives like the Global Mining Legacy Fund as outlined in the UN Secretary General's report.

Michael Barnard invites John Fitzgerald, the CEO of Supernode. John delves into the transformative potential of energy transmission technologies and the critical role of interconnectors in shaping the future of renewable energy. Drawing from his extensive background in engineering and utility management, Fitzgerald recounts his journey in the energy sector, which includes developing power stations, trading over interconnectors, and spearheading the East West Interconnector project between Ireland and the UK. His leadership at Supernode reflects his commitment to advancing superconducting transmission technology as a solution to modern energy challenges.Fitzgerald discusses the inherent limitations of alternating current (AC) transmission, particularly for underground and underwater cables, and highlights the advantages of direct current (DC) technology for long-distance energy distribution. He explains the technical intricacies of DC systems, including their capacity to manage inertia and integrate non-synchronous renewable energy. Throughout the episode, Fitzgerald emphasizes the need to address public consultation challenges in infrastructure projects to ensure the successful deployment of energy transmission networks.A central theme of the conversation is the evolving role of interconnectors. Once primarily used to exploit price differences between energy markets, interconnectors are now crucial for balancing variable renewable energy across regions. Fitzgerald explores the immense potential of continental-scale grids in Europe and advocates for tripling grid capacity to meet future energy demands. He also highlights groundbreaking projects like Sun Cable, which aims to connect Australia to Singapore, and the NATO-L project, which envisions transatlantic power transmission, underscoring the benefits of intercontinental energy connectivity for enhancing energy security.The episode concludes with a forward-looking perspective on the energy transition. Fitzgerald calls for greater investment in HVDC technology, praises China's advancements in this area, and urges listeners to stay informed about opportunities to integrate renewables through interconnectors. By fostering interconnected grids, he argues, the global energy landscape can achieve greater efficiency, resilience, and sustainability.

In this episode, host Michael Barnard engages in an enlightening conversation with Michael Raynor, co-author of The Innovator’s Solution and an expert in carbon reduction strategies. Raynor shares his personal journey into sustainability, the evolution of his focus on decarbonization, and his current work developing innovative solutions for addressing corporate carbon challenges. A key topic in the discussion is the Raynor’s new firm, S3 Markets, which emphasizes the need to decarbonize upstream commodities to meet net zero commitments. Rayner highlights the difficulty corporations face in managing Scope 3 emissions and suggests shifting from traditional carbon offsets to “insets,” where companies pool small investments to make a meaningful impact. This approach targets the 80-90 high-emission commodities responsible for the bulk of industrial emissions, which make up 15% of global GDP.The conversation takes a practical turn as Raynor discusses Mississauga’s hydrogen bus pilot program. He recounts how he identified potential issues with the initiative and reached out directly to the city’s mayor and council. His insights led to an invitation to present his findings to the Mississauga City Council on October 30th. The conversation turns to Barnard’s dive into the CUTRIC (Canadian Urban Transit Research and Innovation Consortium) in advancing urban transit decarbonization through research and policy recommendations, as well as some red flags.Barnard and Raynor explore the financial and environmental trade-offs between hydrogen and battery-electric buses. Barnard provides a critical analysis of data from California and the EU’s JIVE program, showing that hydrogen buses come with significant costs for refuelling infrastructure and maintenance. Comparatively, for the cost of five hydrogen buses, municipalities could procure twelve battery-electric buses, making the latter more attractive both financially and environmentally.The episode wraps up with a closer look at CUTRIC’s recent report for Brampton, where Barnard identifies questionable assumptions about hydrogen system costs. One factor alone, the cost assumption for gray hydrogen could have a $200 million swing, dwarfing the $10 million variance called out justifying a blended hydrogen + battery electric fleet instead of a battery electric only fleet.Raynor examines the varying carbon costs of different hydrogen types—gray, blue, and green—and emphasizes the importance of carefully choosing technologies based on actual benefits. The battery-electric buses offer superior emissions reduction per dollar spent.

Rob Jackson, Chair of the Global Carbon Project and Senior Fellow at the Woods Institute, dives into a critical discussion on methane emissions and their impact on climate change. In this episode of Redefining Energy - Tech, he outlines methane’s potency, noting that it is 80-90 times more effective than CO2 at trapping heat during the first few decades after its release. Methane's role in climate change is not to be underestimated, especially since it makes up the majority of natural gas, which is often marketed as a "clean" fuel.Jackson raises concerns about methane emissions, particularly in household appliances like gas stoves. These appliances not only leak methane but also release other harmful pollutants, such as nitrogen dioxide and benzene, which pose significant health risks to vulnerable populations, including children and the elderly. He also discusses the widespread leakage that occurs throughout the natural gas supply chain, challenging the perception of natural gas as a clean energy source.The conversation shifts to the challenges of detecting methane emissions, particularly from oil and gas operations. Jackson highlights advancements in technology, such as satellites, drones, and helicopters, which are used to identify methane super-emitters —large, concentrated leaks of methane. However, pinpointing smaller leaks remains difficult. These advancements, though promising, still face limitations, particularly when it comes to smaller-scale emissions from agriculture or subtle leaks in oil fields.Jackson stresses the need for a comprehensive approach to methane detection. He calls for integrating multiple types of sensors at different scales to address the full scope of emissions. Despite the improvements in technology, methane emissions from various industries continue to be underestimated. The International Council on Clean Transportation's (ICCT) FUMES project, which found higher-than-expected methane emissions from liquefied natural gas (LNG) ships, and Shell's own internal discoveries of methane leaks from its operations, were part of the discussions.The episode concludes with a call to action, as Jackson emphasizes the necessity of reducing methane emissions by enhancing detection methods and accelerating the transition away from fossil fuels. He advocates for a multifaceted strategy to address climate change, one that considers not just methane but also the broader implications of fossil fuel reliance.

In Episode 35 of "Redefining Energy - Tech," host Michael Barnard engages with Michele Wucker, the author of *The Gray Rhino* and *You Are What You Risk*, in a thought-provoking discussion on risk perception and management. Wucker introduces the concept of the "gray rhino," which symbolizes obvious yet often overlooked risks, in contrast to the "black swan," which represents unforeseeable and improbable events.The conversation highlights climate change as a prime example of a gray rhino, underscoring the importance of recognizing and responding to such evident threats before they escalate. Wucker shares her background in emerging market debt and sovereign credit risk, providing context for how she developed the gray rhino concept. The discussion explores the historical and societal dimensions of risk perception, with Wucker emphasizing the need for greater awareness and proactive action regarding significant, visible risks like climate change. The episode also examines how human perception of time influences our responses to long-term threats, drawing parallels with the global reaction to the COVID-19 pandemic.Further into the conversation, Wucker introduces ideas from her book *You Are What You Risk*, including the concepts of "risk fingerprint" and "risk empathy." She discusses how cultural differences, particularly between Eastern and Western societies, shape varying approaches to risk assessment and decision-making. The episode concludes by exploring the interconnectedness of personal, organizational, and governmental decisions in managing obvious risks, highlighting the collective responsibility in addressing gray rhino threats. This episode offers listeners valuable insights into how we can better identify and respond to the risks that are most apparent yet frequently ignored.