GM will emerge from bankruptcy, after a 50-billion taxpayer bailout, with the 22 mpg Camaro muscle car as its star performer.

Consumers are attracted to the "cash-for-clunkers" program that gives them several thousand dollars to trade in old gas guzzlers for more fuel-efficient cars.

"A coalition of environmental groups is suing federal agencies in an effort to change the location of corridors to transmit energy across Western lands."

"The Pennsylvania Department of Environmental Protection is working to regulate salt discharges that result from natural-gas drilling."

T. Boone Pickens postponed a plan to create the world's largest wind farm in Texas. The billionaire had spent $60 million advertising his plan to combat what he calls the United States' addiction to foreign oil.

"President Obama's energy team is mandating up-front standards for smart grid technology to ensure that what is built by the disparate forces involved works and is efficient."

Tough new efficiency standards haven't killed the incandescent light bulb -- but instead are spurring inventors to make better ones.

Summertime and the grilling is easy... but how environmentally friendly is it? Which type of grill is greener: gas or charcoal?

"Los Angeles will eliminate the use of electricity made from coal by 2020, replacing it with power from cleaner renewable energy sources, Mayor Antonio Villaraigosa said."

The offshore wind farms that were to replace Germany's nuclear and coal-fired power plants aren’t coming online quickly enough.

"The US, China, and dozens of other countries are meeting [this week] in Egypt to chart the course of a new international agency aimed at promoting renewable energy."

"Interior Secretary Ken Salazar announced measures on Monday to hasten the development of solar energy on Western public lands."

"The Energy Department issued new standards for lighting that would save large amounts of energy by boosting the efficiency of fluorescent tubes common in office buildings and reflector lamps used in recessed fixtures in homes and retail stores."

"A new study argues the human costs of coal mining in Appalachia far outweighs its benefits."

"Where the natural gas from the Alaska Natural Gas Pipeline will end up is a murky question. ..."