Hydrogen

Koloma raises $50M more in quest to find natural hydrogen underground

Geologic hydrogen could be a “skeleton key” for decarbonization, Koloma says. The startup has raised over $350M to try and make it work.

By Maria Gallucci . 17 October 2024

A research team takes samples of natural hydrogen gas found in Central Sulawesi Province, Indonesia. (Mohamad Hamzah/NurPhoto via Getty Images)

Hydrogen

One year in, US clean hydrogen hubs face questions — and have few answers

There’s little detail available on the $7B federal program to jump-start U.S. clean hydrogen, leaving environmental advocates concerned the projects may be off track.

By Jeff St. John . 16 October 2024
Hydrogen

Green hydrogen headwinds hit production hub, steel project in Mississippi

In a sign of challenges facing green hydrogen, Hy Stor Energy abruptly canceled an electrolyzer deal for its hub, which is set to supply SSAB’s green steel site.

By Maria Gallucci . 9 October 2024
Hydrogen

The big unsettled policy question about clean hydrogen: How to use it

Energy experts say U.S. policy must direct money to industries that really need clean hydrogen — and away from those that are better off using clean electricity.

By Jeff St. John . 26 September 2024
Green steel

Chart: Steelmaking is starting to go electric

The majority of newly announced steel capacity in 2023 planned to use lower-emissions electric arc furnaces, but the dirty industry has a way to go to clean up.

By Dan McCarthy, Carrie Klein . 26 July 2024
Marine transport

San Francisco launches world's first commercial hydrogen ferry

The fuel cell–powered vessel officially launched this week after years in development. Diesel ferries are among the biggest polluters on U.S. waterfronts.

By Maria Gallucci . 12 July 2024
Air travel

Leading hydrogen aircraft startup is suddenly grounded

Universal Hydrogen had raised $100 million from investors to build hydrogen-fuel-cell aircraft. Now it's liquidating its business.

By Maria Gallucci . 2 July 2024
Hydrogen

Plug Power lands $1.7B DOE loan guarantee to boost hydrogen production

Plug Power has fought strict federal guidelines for clean hydrogen tax credits. Now it's securing federal backing to scale up its U.S. production.

By Jeff St. John . 14 May 2024
Hydrogen

The hydrogen companies pushing for strict subsidy rules

Some industry players, including the federal “hydrogen hubs,” want looser rules for the U.S. climate law’s clean hydrogen subsidies — but it's far from unanimous.

By Kari Lydersen . 8 April 2024
Hydrogen

The brewing rift within the Biden admin’s clean hydrogen strategy

The Energy Department's seven hydrogen hubs oppose the administration’s strict rules that aim to ensure the new 45V tax credits reward truly clean hydrogen.

By Julian Spector . 29 February 2024
Hydrogen

The $245M bid to pull clean hydrogen straight from the earth

Demand for carbon-free hydrogen is rising. Startup Koloma aims to extract the gas from underground geologic deposits — and it just raised a ton of venture funding.

By Eric Wesoff . 14 February 2024