Clean industry

Energy storage

The hidden innovation behind Antora’s massive new heat battery

The startup is turning on a 200-battery project in South Dakota — and pioneering an electric utility rate that could help boost thermal energy storage more widely.

By Maria Gallucci . 27 May 2026

Antora Energy has installed over 200 thermal batteries at Poet’s ethanol plant in Big Stone City, South Dakota. (Antora Energy)

Clean industry

Industry can dodge fuel shocks by electrifying. What’s the holdup?

As the Iran war spikes fossil fuel prices, Oxford University experts demystify electric tech’s vast potential to decarbonize industry — and how policy can help.

By Alison F. Takemura . 7 May 2026
Green steel

Europe’s quest for green steel

Facing new regulations and stiff competition from China, Sweden and other EU countries are racing to decarbonize steel production. It all hinges on green hydrogen.

By Paul Tullis . 7 May 2026
Hydrogen

SoCalGas customers spared paying $266M for hydrogen pipeline project

Regulators nixed the utility's funding plans for a massive, controversial hydrogen pipeline. Enviro groups say there are better ways to decarbonize heavy industry.

By Jeff St. John . 1 May 2026
Green steel

Green steel is the way forward for Indiana, former steelworkers say

Advocates warn that what’s left of the industry could be lost if companies choose to invest in dirty blast furnaces instead of modernizing with cleaner steelmaking.

By Kari Lydersen . 2 April 2026
Green steel

What’s next for Ohio’s former green steel project? More coal, it seems.

Cleveland-Cliffs won a federal grant to install hydrogen-ready tech. Now, it wants to revamp its Middletown blast furnace, raising questions about its use of funds.

By Maria Gallucci, Kathiann M. Kowalski . 25 March 2026
Clean industry

Clean cement startup Sublime cuts jobs after Trump pulled funding

Sublime Systems lays off two-thirds of its staff months after pausing work on a planned Massachusetts factory, following the loss of an $87 million federal grant.

By Maria Gallucci . 12 March 2026
Clean aluminum

China could be on the cusp of a green aluminum boom

As demand for the metal soars, the country is pursuing policies that will spur more smelters to run on clean electricity.

By Alexander C. Kaufman . 4 March 2026
Hydrogen

Green hydrogen hype has dried up. This US startup is pressing on.

Electric Hydrogen sees a real but short runway for U.S. green hydrogen projects. Can the company’s next-generation electrolyzer tech gain traction in Europe?

By Jeff St. John . 9 February 2026
Clean aluminum

It takes two aluminum firms to build one power-hungry smelter, apparently

Century Aluminum was eyeing Kentucky for a new smelter, but in a surprise move says it’s teaming up with Emirates Global Aluminium to build one in Oklahoma.

By Maria Gallucci . 26 January 2026
Green steel

Stegra lands key customer for green-steel plant amid financial woes

The Swedish startup will supply steel to a German industrial firm from its flagship facility in northern Sweden. Stegra is working to raise over $1 billion for the plant.

By Maria Gallucci . 21 January 2026