Energy legislation passed by Congress and signed by President Bush on Wednesday includes the following:

  • Vehicle mileage: Requires automakers to increase the fuel economy of cars and small trucks, including SUVs, by 40 percent to an industry average of 35 miles per gallon by the year 2020.

  • Renewable fuels: Mandates a sixfold increase in the use of ethanol as a motor fuel, to 36 billion gallons a year by 2022, with 21 billion gallons to be cellulosic ethanol from such feedstock as prairie grass and wood chips.

  • Energy efficiency: Requires more energy-efficient lighting and appliances, including refrigerators and dishwashers, and more energy-efficient federal and commercial buildings. Also requires faster approval of federal energy efficiency standards.