Colorado's largest utility received 57% of its electricity from wind power in April. Maybe the rest of the nation isn't far off...
Researchers at a university in Tennessee have developed a way for anyone to drive a hybrid--without buying a new car.
VWATs may be more expensive, but they would also be better suited for offshore operations.
The U.S. is only taking advantage of a very small percentage of its renewable energy potential, a new study shows.
USC researchers are improving on a battery design that could be beneficial for solar power storage.
The nation's second-biggest solar state is about to get even more.
While the rest of the solar industry struggles, First Solar may have scrounged up a profit for the second quarter.
Amid investments and strategic partnerships, the algae biofuels sector could soon be worth $1.6 billion.
Researchers from Canada and Saudi Arabia have made a breakthrough in quantum dot solar cells.
General Electric and Mexico's Comexhidro are creating a wind farm to power public lighting.
Ever the innovator, BMW is at it again--with two new electric vehicle models and an online sales project.
The WilderHill New Energy Global Innovation Index reflects market sentiment on the cleantech industry--and it's hurting.