The latest news on fuel efficiency
It's much harder to build good cars than most people realize.
Luxury hybrid-electric vehicle maker Fisker could default on its $192 million DOE-backed loan.
Democrats reaffirm commitment to clean and renewable energy in the party platform.
Government raises fuel economy standards, but don't expect gas-sipping SUVs anytime soon.
With the cost of gas climbing, drivers are getting more creative about keeping prices in check.
Fuel economy standards should be set in response to consumer needs, not an arbitrary rate set by the government.
Despite higher gas prices in recent months, one of every three vehicles sold is an SUV.
Eight ways to cut back as energy costs continue to rise.
Obama's new fuel standards sacrifice consumer choice.
Researchers find that real-time eco-driving can cut fuel consumption up to 6 percent.