The U.S. Navy has quietly written a small but telling check to a company working on a solar‑electric aircraft that can stay ...

GE Aerospace has successfully demonstrated a one-megawatt hybrid electric propulsion system as part of a $5.1 million research and development contract with the US Army Combat Capabilities Development ...

A science demonstration by Mayur Vaishnav at Sandipani English School in Gujarat's Halvad town captured students' excitement ...

On May 22, 2022, I began an experiment. I unplugged everything in my apartment, with the goal of drawing zero power from the electric grid for one month. I had no idea how I would make it past a few ...

A utility sends phone alerts when wind power is cheap. A builder sells “zero bill” houses. They’re among several experiments to redefine how people value electricity. By Somini Sengupta Photographs ...