FILE - In this May 11, 2011, file photo, gas prices are seen on a sign at a station in Mechanicville, N.Y. With gas prices hovering at $4 a gallon nationally, many Americans are making tough choices: ... more 
FILE - In this May 11, 2011, file photo, gas prices are seen on a sign at a station in Mechanicville, N.Y. With gas prices hovering at $4 a gallon nationally, many Americans are making tough choices: scaling back summer vacations, driving less or ditching the car altogether. Some seniors are choosing a tank of gas over their prescriptions. less 
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Associated Press | Photo By Mike Groll
Thu, May 19, 2011 11:01 PM EDT