The EPA plans to cut Energy Star offices, putting appliance efficiency labeling at risk and complicating consumer choices for ...

The U.S.-based program claims that its blue seal of approval on efficient appliances saves households an average of $450 on ...

Cars with the Best Gas Mileage. When shopping for a new car, one of the most important factors is the vehicle's efficiency. Most modern vehicles are far more efficient than cars in years past, but ...