Solar water heaters help homes cut energy bills by using sunlight instead of electricity. The system offers steady heating, ...

Seattle-area startup Hyviva is challenging the Tesla Powerwall with its hydrogen-fueled 'Lego brick' energy storage system.

The way cities grew over the last century often pushed your daily needs far from your front door. Homes went in one place, ...

South Africa faces serious water, energy and food problems. Drought, overuse and ageing infrastructure strain water supplies.

Scientists are learning how to turn the chill of outer space into a quiet source of electricity, using the night sky itself as a heat sink. By carefully managing how surfaces shed heat after dark, ...

The startup built a compact solar-battery combo that connects directly to key household appliances, is easy to plug in, and ...

Federal tax credits for home solar installations expire at the end of the year, but solar installers have found a way to ...

Blending luxury, comfort, and usability, this van conversion can turn any adventure into a memorable "glamping" experience ...

Pairing solar panels with energy-efficient appliances like heat pumps is another way to save on electricity, and TCD's HVAC ...

EOG Resources is an American energy company that engages in hydrocarbon exploration and production. See why I rate EOG stock ...

For many of us at Engadget, a big part of our jobs is testing out new tech on a regular basis. Our desks are cluttered with new smartphones, power banks, gaming accessories and more pretty much all ...

Plug-in solar is rapidly expanding from Europe to the United States. As electricity prices rise, policymakers and consumers are embracing this renter-friendly technology as a path toward lower bills ...