Sometimes it's not the patents but the money and technical know-how that are the biggest obstacle to expanding the commercialization of electric vehicles.
An urban plan for Paris could reduce the city's greenhouse gas emissions by up to 75 percent in 2050.
A comparison chart shows just how big.
From tattoo batteries to paint that powers a car, from floating solar farms to wires made from DNA, catch up on the year's most exciting energy news.
Falling oil prices left renewable energy’s immediate future in limbo, but solar power is expanding.
A plan by the oil lobby details efforts to derail California's clean-energy legislation.
Sunny South Africa takes full advantage of its natural resource. Continue reading →
Dutch company SolaRoad officially opened the world's first solar roadway.
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