Emissions reduction

Policy & regulation

California’s new clean-fuel plan makes old problems worse

CARB approved new rules last week that critics say reward polluting biofuels, shortchange EVs, and could cause gasoline prices to spike.

By Jeff St. John . 13 November 2024

gray, black, and white cars snaking along two sides of an urban freeway. — The 101 freeway in Los Angeles, California (Mario Tama/Getty Images)

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
Clean industry

These startups are teaming up to decarbonize cement and concrete

Producing these key materials takes a toll on the climate. A new alliance aims to accelerate the adoption of low-carbon solutions.

By Maria Gallucci . 17 January 2024
Hydrogen

Tax-credit rules leave key 'blue hydrogen' issues unanswered

Environmental watchdogs worry the Biden administration’s proposed rules for hydrogen tax credits may allow fossil gas and biogas to pollute at taxpayer expense.

By Jeff St. John . 12 January 2024
Emissions reduction

Clean electricity is driving down US emissions

A preliminary analysis shows the buildout of renewable energy helped to curb America’s greenhouse gas emissions by 1.9% in 2023.

By Maria Gallucci . 10 January 2024
Electrification

How to get people to kick fossil fuels out of their homes

A new study of 10,000 Americans suggests decarbonization programs should focus on reducing upfront costs and emphasize health, comfort — and even aesthetic benefits.

By Alison F. Takemura . 8 January 2024
Electrification

Yes, it’s possible to electrify a home on just 100 amps

It may require careful planning and efficient appliances like heat pumps, but 100-amp service can be enough to kick fossil fuels out of your home.

By Alison F. Takemura . 7 December 2023