American Heat Engine invites readers to “buckle up and … take a road trip” as it embarks on a history of how hydrocarbon development and use has shaped the United States.

Kent Williamson, author of American Heat Engine: Hydrocarbons and the Power of the United States, joins Hill Vaden and Sam Humphreys to discuss his motivation for writing the new book and how he’s organized the narrative around 15 “strategic hydrocarbon bridges” that mark significant inflection points and transitions for American energy.

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en

Ameresco designs, builds, owns, operates and maintains energy infrastructure with the stated goal of helping its customers reduce costs, enhance resilience and decarbonize operations.

John Plack, Ameresco Senior Vice President of Engineering, joins Hill Vaden and Sam Humphreys to discuss why the cleantech integrator is turning its attention to geothermal and how it works with universities, hospitals and large-scale military housing to establish and expand the emerging technology.

Learn more about Ameresco at: https://www.ameresco.com/

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en

Crux is a Capital Markets platform, designed to streamline and modernize commercial workflows in the energy sector.

Alfred Johnson, Crux’s co-founder and CEO, joins Hill Vaden and Sam Humphreys to discuss the company's journey and the market intelligence offering customers can benefit from, so they not only facilitate transactions, but also offer insights into market behaviors.

Learn more about Crux at: https://www.cruxclimate.com/

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en

San Francisco-based Halcyon is developing an AI-assisted search and information platform that aggregates and summarizes regulatory information that pertains to US power and gas markets. The sector-specific software is designed to improve workflows and decision-making by energy professionals.

Alex Klaessig, Halcyon Chief Data Officer, joins Hill Vaden and Sam Humphreys to discuss how his experience as an energy expert informs Halcyon product development and why domain specialization improves the user experience and generated results when working with artificial intelligence models.

Learn more about Halcyon at: https://halcyon.io/about

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en

London-based Pavegen makes triangular floor tiles that convert kinetic energy from human footsteps into electricity. The company’s technology has been installed in places that include airports, schools, dance floors, and stadiums in more than 40 countries.

Laurence Kemball-Cook, founder and CEO of Pavegen, joins Hill Vaden and Sam Humphreys to discuss the idea behind converting footsteps into renewable energy and how Pavegen is embarking on a fresh funding round as it positions itself for scale within the smart-city sector.

Learn more about Pavegen at: https://www.pavegen.com/

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en

Energy Recovery, with roots in the desalination industry, designs and manufactures energy-efficiency technology solutions to generate cost savings and support environmental sustainability for its global set of customers.

Rodney Clemente, Energy Recovery Senior Vice President of Water, joins Hill Vaden and Sam Humphreys to discuss how the company is using its membrane-separation technologies to improve the energy intensity and economics of water desalination.

Learn more about Energy Recovery at: https://energyrecovery.com/about/

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en

Oxford Policy Management (OPM) is a global consultancy working across climate policy, finance, disaster risk, energy, and urban planning helping governments and communities build resilience and reduce emissions.

Katherine Cooke, Principal Consultant and Hub Lead for Climate Finance, and Apar Paudyal, Senior Consultant for Climate Resilience and Sustainability, join Hill Vaden and Sam Humphreys to discuss energy and climate financing and the challenges around raising funds relating to adaptation in every changing environmental landscape.

The United States in 2025 surpassed the technical milestone of more than one gigaton of CO2 injected due, in large part, to CO2’s use in enhanced oil recovery (EOR) operations. Oilfield expert Derek Gonsuron joins EnergyCents with hosts Hill Vaden and Sam Humphreys to discuss how EOR is helping to pioneer carbon capture and utilization technologies that can help mitigate the emissions from hard-to-abate sectors.

Read more on the S&P Global Commodity Insights blog here: https://www.spglobal.com/commodity-insights/en/news-research/blog/energy-transition/050925-us-hits-gigaton-milestone-in-co2-injection

Learn more about S&P Global Commodity Insights energy coverage at: https://www.spglobal.com/commodityinsights/en