The Union of Concerned Scientists has created a clean energy blueprint. One component of this blueprint is efficiency standards on furnaces and automobiles. The CAFE standards for automobiles stipulate that a company's cars must average a certain fuel mileage. The diagram below illustrates the effects of the new standards proposed in the blueprint. Look at the savings in millions of barrels per day and compare those values to our daily consumption of petroleum (19.6 million barrels for North America).