From today's LA Times editorial, about the recent energy bill:

If Congress truly wanted to reduce fossil fuel emissions and U.S. reliance on foreign oil — in other words, make rational energy policy — it could easily accomplish the task by raising fuel-efficiency standards for cars and gasoline taxes. As an MIT survey in 2000 showed, manufacturers could push the average fuel economy of American cars from today's 27.5 miles per gallon to 46 miles per gallon merely by taking advantage of existing technologies. That would cut U.S. greenhouse gas emissions by nearly a third and reduce U.S. reliance on Mideast oil by three-fourths.