| Aug 6, 2013
| 5:02 PM
The Environmental Protection Agency on Tuesday extended the deadline for meeting biofuel goals this year and will lower renewable fuel targets for 2014, a move designed to give oil refineries more flexibility.
The 2013 rules, months late in coming,...
| Aug 6, 2013
| 8:25 AM
In a first, wind energy became the No. 1 source of new U.S. electricity generation capacity in 2012, according to a report released by the Energy Department on Tuesday.
Wind energy accounted for 43% of new electric additions last year, adding more than...
| Jul 11, 2013
| 11:18 AM
California had a banner year in solar installations in 2012, bringing the state 391 megawatts closer to its goal to install 3,000 megawatts by 2017.
According to a California Solar Initiative progress report by the Public Utilities Commission, those...
| Jul 5, 2013
| 1:21 PM
Utility-scale solar plants have been given priority over mining claims on federal lands, according to a decision announced Friday.
The federal Bureau of Land Management withdrew more than 300,000 acres of federal land in six Western states from...
| Jul 6, 2013
| 9:51 PM
NEW YORK — A solar-powered aircraft completed the final leg of a history-making cross-country flight Saturday night, gliding to a smooth stop at New York's John F. Kennedy International Airport.
The Solar Impulse touched down at JFK at 11:09 p.m.,...
| Jul 8, 2013
| 8:21 AM
The pilots of the first solar-powered plane to fly across America hope to transform the momentum of their historic flight into a grand-scale push for clean technology.
Solar Impulse pilot and project president Bertrand Piccard said his team was...
| Jul 8, 2013
| 1:42 PM
Forget the John Deere tractor: giant island tortoises make the best lawn mowers, according to a new study.
In an effort to control the alien plants that had dominated a small island in the Indian Ocean for decades, scientists introduced two types of...
| Jun 18, 2013
| 8:34 PM
Documentary filmmaker Robert Lundahl’s latest work, "Who Are My People?," explores the effects of large-scale solar energy developments on Native American spiritual and cultural connections to Southern California’s scorched outback of creosote...
| Jul 1, 2013
| 3:19 PM
Amid reports of wind turbine blades flying off and a resulting flurry of damage control measures, engineering powerhouse Siemens said Monday the chief of its wind power division would step down, two weeks after announcing costs related to incidents in...
| Jun 27, 2013
| 5:49 PM
As Los Angeles launches into its solar buyback program between companies and the L.A. Department of Water and Power, one rooftop power producer is exploring a way to avoid depending on utilities altogether.
Lyndon Rive, chief executive of San Mateo,...
| Apr 12, 2013
| 5:50 PM
Harvard chemist Daniel Nocera recently developed the world’s first practical artificial leaf – a silicon-based device that could use sunlight to split water and create clean fuel. Now, the scientist says he’s improved the leaf –...