Energy

A decade ago, 40 percent of the country’s electricity was generated with coal

Engineers study solar and wind at the same power plant; nuclear reactors that also make hydrogen

The automaker will spend $35 billion through 2025 on batteries, cars, even trains

Fusion devices for clean, safe, and affordable electricity and industrial heat are making advances and need a push

The gas is making climate change worse. Can we harness it instead?

Wind production in California waters could produce far more electricity than current East Coast projects

The International Energy Agency outlines the steps needed to overhaul energy systems to meet global warming goals

Ransomware is steadily hitting harder. Could banks or subway systems be next?

It is uncertain if a highly divided Congress will pass such a mandate

A clean energy standard for power plants is the linchpin, although details are thin

A sweeping overhaul could make the gas system a much cleaner energy source

An unexpected outage in Colorado allowed engineers to test whether renewable energy and batteries can quickly restart an electric grid