A low-power, multiroom sensor network watches for drips and runs on a coin-cell battery.
Aquion has started production of a low-cost sodium-ion battery aimed at making renewable energy viable.
New devices address instability caused by high penetration of distributed solar.
An ingenious solar sticker made with techniques drawn from nanotechnology could turn almost any surface into a source of power.
A startup called Siluria thinks it’s solved a mystery that has stymied huge oil companies for decades.
Amprius’s silicon-based batteries are starting to appear in electronics.
Low-cost materials could make storing hours of power from a wind farm economically feasible.
Smartphone battle moves from software to hardware with a crucial component to cut power consumption and allow faster data transmission.
Tesla’s profitable cars, cheap LEDs, half-price nuclear, and cheaper carbon capture are highlights of this year’s progress in clean energy.