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New fuels & tech

Electric cars, hydrogen, biofuels and carbon capture.

6 articles

Large indoor storage hall filled with wood pellets at a biomass fuel depot

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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.
An ethanol production plant with grain storage silos in Minnesota

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Biofuels explained through ethanol, biodiesel and renewable diesel

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.
Nesjavellir geothermal power station in Iceland with steam rising from its plant buildings

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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.
The carbon capture unit at Boundary Dam Unit 3, a coal plant in Saskatchewan

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How much CO2 carbon capture and storage actually captures

Carbon capture and storage runs 77 projects worldwide today, but flagship coal retrofits Petra Nova and Boundary Dam both missed their own capture targets.
A row of public electric vehicle charging stations

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How fast electric vehicle adoption is happening

Worldwide electric vehicle adoption hit a record in 2025, but US sales reversed hard once the $7,500 federal tax credit expired in September.
Hydrogen fuel cell cars at a hydrogen fueling station in Riverside, California

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Where hydrogen fuel cells stand

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.