U.S. gas prices rose on Columbus Day to $3.27 a gallon, a new 7-year-high. The cost of a gallon keeps rising, with some experts saying no drop is in sight. The primary drive is the climbing price of crude oil, analysts say. That accounts for between 50 percent and 60 percent of the price of gas for drivers, according to the American Automobile Association (AAA) spokesman Andrew Gross. “And last week’s decision by OPEC and its oil-producing allies to not increase production further only exacerbated the upward momentum for crude oil prices,” Gross said in a statement. AAA pegged the national average for a gallon at $3.18 on Sept. 30, $3.20 on Oct. 4, and $3.21 on Oct. 7. Washington saw the biggest jump over the past week at 17 cents. Kentucky, Indiana, Florida, Michigan, Alabama, Tennessee, South Carolina, Illinois, and Delaware prices per gallon also increased by 10 cents or more. …