A survey found that over the last two weeks, a gallon of regular gas in the U.S. rose by 2 cents to an average of $3.71, according to NPR. While diesel averaged $3.95 per gallon, the average price for a gallon of midgrade gas was $3.90 and the average price of a gallon of premium was $4.05. The turmoil in Iraq is thought to cause the increase. Full article.