Energy, Clean Energy | featured news

A unique airplane has just completed a 4,000-mile journey, making the first solar-powered intercontinental round-trip air journey. Traveling between Europe and Africa, the Solar Impulse experimental solar airplane landed in Payerne, Switzerland at 8:30 p.m. local time (2:30 p.m. ET) on Tuesday. The odyssey began two months ago, on May 24. This wasn't a test to see how fast the plane could make the trip, but to assess its endurance and reliability.

It’s a mistake to assume that just because Goldman thinks there are many profitable opportunities in green tech, all opportunities in green tech will be profitable. Right now, I think the most profitable investments are likely to be investments in renewable energy and energy efficiency deployment: wind and solar farms, and upgrades to facilities to make them more energy efficient.

Renewables can be a cheap form of energy within years, Prime Minister David Cameron says, as governments aim for global spread of clean power.

Solar panels prices have kept marching lower this year, extending steep declines seen in 2011 and keeping pressure on hard-hit manufacturers who have struggled to eke out profits, industry experts said.

Paris, in its latest bid to be an innovator of the City of Tomorrow, is launching an electric car-sharing program to cut air and noise pollution on the city's medieval cobblestone streets and beyond.

The Energy Department plans to give $156 million in grants on Thursday after it has been under scrutiny for arranging $528 million in loans to Solyndra, a company that went bankrupt.

Leaders of a House subcommittee want to make the Obama administration answer for putting taxpayers on the hook for a half-billion-dollar loan to a now-bankrupt solar panel manufacturer. A hearing Wednesday will examine what went wrong ...

A California solar-panel manufacturer once touted by President Barack Obama as a beneficiary of his administration's economic policies -- and the recipient of a $535 million federal loan -- is laying off 1,100 workers and filing for bankruptcy.

As more electric vehicles come on the market, the need for a common standard for fast-charge connectors is growing.

NASA is on the verge of launching a new solar-powered spacecraft all the way to Jupiter....