"The federal government unveiled new fuel economy window stickers on Wednesday, for vehicles starting with the 2013 model year, that for the first time include estimated annual fuel costs and the vehicle’s overall environmental impact."

Regulators from the Commodity Futures Trading Commission filed suit Tuesday against several traders charging they manipulated crude oil markets in 2008, driving up prices.

"Opponents of a pipeline that would nearly double U.S. imports of Canadian oil-sands crude sued the State Department today in a bid to force speedy disclosure of any contacts it made with a lobbyist for the pipeline's sponsor."

"The disputed share swap and oil exploration agreement between BP and the Russian state-owned company Rosneft has collapsed, leaving some BP investors questioning the company’s future strategy and freeing Rosneft to look for a new partner in Russia."

"A solar energy plane made the world's first international flight powered by the sun on Friday to show the potential for pollution-free air travel."

The chairman of the Senate Energy Committee says the Senate is unlikely to pass either "clean energy" legislation or a repeal of oil subsidies.

"Environmental regulators on Thursday directed six natural gas drillers to disclose how they dispose of or recycle waste water in Pennsylvania after a recent Chesapeake Energy Corp accident."