<p>Costco members fill up with discounted gasoline at a Costco gas station in Van Nuys, Calif., in October. U.S. oil output rose 14 percent to 6.5 million barrels per day in 2012, a record increase, but you'd never know it from the price at the pump. The national average price of gasoline is $3.69 per gallon and it is forecast to creep higher and could approach $4 by May.</p>

March 22, 2013