WASHINGTON, D.C. --- The U.S. average retail price for regular gasoline dropped 4.4 cents to $2.24 per gallon as of Feb. 20. That's 33.5 cents higher than last year, according to the Energy Department. The Energy Department's Energy Information Administration (EIA) reported that prices dropped throughout the country, with the East Coast seeing the largest decrease of 6.6 cents to reach $2.256 per gallon. Midwest prices dropped 2.2 cents to $2.167 per gallon. West Coast prices, the highest in the nation, dipped 4.6 cents to $2.41 per gallon, while California prices lost 4.9 cents to reach $2.473 per gallon. Retail diesel fuel prices decreased by 2.1 cents to reach $2.455 per gallon, as of Feb. 20. That's 43.5 cents higher than the average price during the same period last year. This is the second week in a row that diesel prices have fallen nationally, the EIA said. Prices dropped throughout the country, with West Coast prices decreasing the most quickly --- down 2.7 cents to $2.594 per gallon. West Coast prices were still the highest in the nation, with California prices falling 3.5 cents to $2.674 per gallon.