Across the country, companies have been installing giant batteries that help them use more wind and solar power. That’s about to get much harder.

© Ross D. Franklin/Associated Press

Opponents of the project say it is costly, will take far too long to strengthen Ukraine’s battered power supply and opens the door to corruption.

About 80 percent of manufacturing investments spurred by a Biden-era climate law have flowed to Republican districts. Efforts to stop federal payments are already causing pain.

Emboldened by President Trump, West Virginia and other states are challenging the Climate Change Superfund Act, which makes corporate polluters pay for past emissions.

A court ruling requires the British government to consider the potential climate impact of the oil and gas produced in the North Sea.

Oil and gas executives welcomed President Trump’s early moves on energy policy, but many said they did not plan to increase production unless prices rose significantly.

His executive orders ultimately seek to make the market for oil and gas as big as possible.

The president said he’d declare an energy emergency, increase drilling and end support for electric cars. His pivot to oil and gas follows the hottest year in recorded history.

The fire at the Moss Landing plant, which stores electricity for the power grid, was unrelated to wildfires in Los Angeles.

The loan guarantees are one of the final attempts by the outgoing Biden administration to encourage power companies to cut emissions while trying to keep rates down.

When it comes to gas exports and competition with China, the two administrations share a similar vision, the top U.S. energy diplomat says.

The high court declined to hear a challenge to a major case in which Honolulu is suing energy companies over climate change.

Harold G. Hamm, the founder of the Oklahoma-based Continental Resources, and other oil and gas companies stand to profit from Donald Trump’s energy policies.

Periods of low sun and wind, a weather pattern known as a Dunkelflaute, can increase electricity prices and stoke political tensions.