Articles

Nuclear

Top US nuclear regulator is rewriting its rules for new era of reactors

The Nuclear Regulatory Commission has in recent weeks proposed a process for approving microreactors and finalized one for reactors with nontraditional designs.

By Alexander C. Kaufman . 4 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
Hydropower

Hydropower is in hot water. Will Trump’s DOE release funding to help?

The agency is signaling it may unblock $430M in Biden-era funds to help keep the aging U.S. dam fleet online, though money won’t solve all the industry’s problems.

By Kathryn Krawczyk . 1 May 2026
Electric vehicles

Used EVs are on the upswing in America

While sales of new electric vehicles are stalling out, more consumers are buying used EVs than ever. Price has a lot to do with it.

By Dan McCarthy . 1 May 2026
Green steel

US Steel to build $2B lower-carbon iron plant in Arkansas

The new "direct reduced iron" facility at Big River Steel is part of parent company Nippon Steel’s larger $11 billion investment in U.S. operations.

By Maria Gallucci . 30 April 2026
Distributed energy resources

Two California bills would push utilities to get more out of their grids

The state’s three big utilities typically overbuild to meet peak demand. The legislation would order them to try virtual power plants and smarter grid tech instead.

By Jeff St. John . 30 April 2026
Heat pumps

New winter rates saved at least $37M for Massachusetts heat-pump owners

Rhode Island and New York are in the early stages of considering similar discounts for households that install the electric, clean-heating technology.

By Sarah Shemkus . 30 April 2026
Clean aluminum

America’s big new aluminum smelter is still waiting on a power deal

Global supply shocks spurred by the Iran war are bolstering the case for domestic production. But the plant still hasn’t secured its electricity supply.

By Maria Gallucci . 30 April 2026
Virtual power plants

A new bill would help VPPs replace peaker plants in California

California has a lot of home batteries, EVs, and smart thermostats that could do the work of dirty peaker plants. SB 913 would try to make that possible.

By Jeff St. John . 29 April 2026
Electrification

Local policies to get buildings off gas keep winning in court

Even though a court struck down Berkeley, California’s pioneering gas ban in 2023, similar lawsuits against electric building and appliance standards are flailing.

By Alison F. Takemura . 29 April 2026