Emissions reduction

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

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
Heat pumps

Heat pumps outsold gas furnaces again last year — and the gap is growing

While sales of both heat pumps and gas furnaces were down in 2023, heat pumps are proving more popular than ever.

By Alison F. Takemura . 13 February 2024
Fossil fuels

New York could rewrite its relationship to fossil gas with this bill

The state needs to downsize its gas infrastructure and electrify its buildings to meet its climate goals. Legislation that would help it do that is gaining momentum.

By Dan McCarthy . 13 February 2024
Heat pumps

Renters, you too can get a heat pump — a micro one, at least

"Micro” heat pumps aren’t as powerful as whole-home versions, but they’re portable, plug into a 120V outlet — and they’re increasingly effective in the cold.

By Alison F. Takemura . 7 February 2024
Carbon capture

Avnos raises $36M to pull CO2 — and water — from the sky

The investment round, led by a subsidiary of utility giant NextEra, comes as both private and public interest in direct air capture technology picks up.

By Maria Gallucci . 6 February 2024
Electrification

This new tool will help you plan your home electrification journey

Electrification nonprofit Rewiring America has launched a free tool to help homeowners make a step-by-step plan to get off fossil fuels.

By Alison F. Takemura . 5 February 2024
Video

Clean energy experts break down hydrogen hype and hope

Watch top energy analysts Jesse Jenkins and Michael Liebreich dissect the role that clean hydrogen can realistically play in the clean energy transition.

By Jeff St. John . 1 February 2024
Hydrogen

How hydrogen 'e-fuels' can power big ships and planes

Aviation and international shipping are two huge climate polluters. Cleaning them up will likely require producing lots of hydrogen-derived fuels.

By Maria Gallucci . 31 January 2024
Hydrogen

Is clean hydrogen a climate solution? Depends how it’s made — and used

Clean hydrogen can help decarbonize the world. But only if it’s made in an emissions-free way and used to do the stuff electricity can’t handle.

By Alison F. Takemura . 30 January 2024
Air travel

This Georgia refinery is making low-carbon jet fuel from alcohol

LanzaJet will produce millions of gallons of sustainable aviation fuel this year, just as the Biden administration finalizes rules for lucrative SAF tax credits.

By Maria Gallucci . 25 January 2024