The EU is raising its target for the amount of energy it consumes from renewable sources, in a deal lauded by the bloc’s climate chief as a hard-won victory for the switch...

When we think of solar panel efficiency, we usually think in terms of how much of the sunlight hitting the panel gets converted into electricity. Output efficiency is normally computed by laboratory...

California Gov. Jerry Brown (D) took a shot at Sec. of Energy Rick Perry, former Republican governor of Texas. Remarking on Perry's view of Texas as an energy powerhouse, Brown said, "We've...