Clean industry

Hydrogen

Go big or start small: Picking the right scale for green hydrogen

Startups Electric Hydrogen and Ohmium are both building gigawatt-scale factories. But the electrolyzers they’re making come in very different sizes.

By Jeff St. John . 4 May 2023
Hydrogen

The great 'green hydrogen' battle

Tens of billions in federal tax credits could build a vital low-carbon hydrogen industry — or increase carbon emissions. We tackle the complexities in a series.

By Jeff St. John . 28 March 2023
Clean industry

An Arizona plant will pull CO2 from the air and trap it in concrete

The first-of-its-kind initiative by CarbonBuilt, Aircapture and Block-Lite aims to reduce carbon dioxide emissions from concrete production by 70 percent.

By Maria Gallucci . 22 March 2023
Clean industry

DOE launches $6B program to slash emissions from heavy industry

The Biden administration announced it will help fund projects to clean up the production of steel, cement, aluminum and other hard-to-decarbonize sectors.

By Maria Gallucci . 9 March 2023
Clean industry

Green steel startup Boston Metal raises $120M for its fossil-free tech

The MIT spinout said its latest funding round, led by steel giant ArcelorMittal, will allow the company to build its first full-scale green steel plant.

By Maria Gallucci . 27 January 2023
Clean fleets

Ports need electric trucks. Forum Mobility has $400M to make it happen

The electric-trucking-as-a-service startup will build charging depots and make electric trucks available to freight haulers serving California's busiest ports.

By Jeff St. John . 17 January 2023
Podcast

Ammonia: The beer of decarbonization

Low-carbon ammonia could help to decarbonize big parts of the economy, including shipping, heavy industry and even thermal power plants.

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By Shayle Kann . 50 min . 5 January 2023
Podcast

Advance market commitments to decarbonize heavy industry

They brought us vaccines and rockets. Could advance market commitments bring us zero-carbon metals, aviation fuels and other heavy-industry products?

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By Shayle Kann . 50 min . 15 December 2022
Hydrogen

Will new US incentives for 'green' hydrogen actually reduce emissions?

The Inflation Reduction Act steers billions to boost green hydrogen, but unless carefully monitored, that money could spur an increase in climate pollution.

By Emily Pontecorvo . 12 December 2022
Air travel

United plans to electrify airport operations with sodium-ion batteries

United Airlines is making a strategic equity investment in sodium-ion battery maker Natron Energy as the aviation industry works to curb emissions.

By Maria Gallucci . 30 November 2022