New fuels & tech
6 articles
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How geothermal energy works, and why EGS is finally taking off
A geothermal power plant makes electricity by pulling heat out of the ground and using it to spin a turbine, the same basic principle behind a coal or gas plant, minus the fuel and the smokestack.
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Ethanol, biodiesel and renewable diesel: how biofuels differ
Ethanol, biodiesel and renewable diesel are three different products made three different ways. Ethanol comes from fermenting starch or sugar. Biodiesel comes from a chemical swap called transesterification, and renewable diesel comes from a refinery process called hydrotreating that produces a fuel nearly identical to petroleum diesel.
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Is Biomass Carbon Neutral? It Depends on the Wood
Biomass energy can be carbon neutral, or it can be worse than coal. Which one you get depends mostly on what you're burning and how long you're willing to wait for the atmosphere to break even.
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How fast people are switching to electric vehicles in 2026
Worldwide electric vehicle adoption hit a record in 2025, but US sales reversed hard once the $7,500 federal tax credit expired in September.
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How much CO2 carbon capture and storage captures in 2026
Carbon capture and storage runs 77 projects worldwide today, but flagship coal retrofits Petra Nova and Boundary Dam both missed their own capture targets.
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Where hydrogen fuel cells stand in 2026
Most hydrogen fuel cells still run on fossil-based hydrogen, US sales remain tiny next to EVs, and a 2025 law moved up the tax credit deadline.
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