"If the Chevy Volt's $40,000 price tag sounds a bit too steep, you could always go the do-it-yourself route of Oregon teenager Ashton Stark. He just finished a yearlong conversion of his grandfather's 1972 Volkswagen Super Beetle into an electric car."

"FORT WORTH, Texas -- For nearly a year Christine and Tim Ruggiero have battled the powerful Texas oil and gas industry and the inertia of regulators responsible for protecting air quality and public health."

"Environmentalists are suing U.S. EPA over a rule that aims to regulate greenhouse gases from only the largest industrial sources, arguing that the agency exempts too many big polluters."

"The EPA says that the brew of oil and dispersants still swirling in the Gulf of Mexico can be highly to moderately toxic to marine organisms at certain concentrations determined in a lab setting. The agency did not say whether those acute toxic levels are present in the open waters of the Gulf."