Better batteries and other storage technology will be key to making renewable energy dominant.
A draft version of a Senate bill that would limit greenhouse gas emissions is unveiled today.
Several people holding the purse-strings agree that algae, hydrogen vehicles, and carbon capture and storage won't make money.
The government will loan Fisker $528 million to bring a luxury sedan and an upcoming family car to market.
Greenhouse-gas-emitting energy sources get more federal subsidies than renewables.
Chinese automaker BYD has only sold 100 of the vehicles in 8 months.
The 2-gigawatt plant will be the world's largest. But can First Solar's technology be scaled up?
A Royal Society study sorts through the potential of technologies aimed at offsetting climate change.
A L.A.-based startup has developed environmentally-friendly lawn equipment.
The United States is in danger of losing a key bargaining chip ahead of this year's climate-change meeting in Copenhagen.