Fusion power promises to generate large amounts of clean electricity from nearly limitless fuel. This article explains the main approaches and the companies that use them.

Power has become one of the biggest bottlenecks in rolling out new AI data centers. That's creating an opening for investors.

Fervo landed a large new loan with terms that strongly suggest the company's most turbulent days are behind it.

Critical minerals startup Nth Cycle is betting that its modular approach to nickel refining can make the practice viable in the U.S. and Europe.

Google has long procured clean power for its operations and data centers, but recent deals show the company is changing tactics.

Rubi has developed an enzymatic process to turn carbon dioxide into cellulose that's ready to be spun into lyocell or viscose.

GridBeyond's hardware and software coordinates several gigawatts of supply and demand to help balance the flow of electricity on the grid. The idea has attracted investors like Samsung Ventures.

Honda's decision to kill its three EVs for the U.S. market will reverberate far beyond North America.