Average US gas price jumps 33 cents to $4.71 per gallon

A gallon of regular unleaded fuel was $5.79 Sunday in Waimea. (Chelsea Jensen/West Hawaii Today)

A gallon of regular unleaded fuel was $5.79 Sunday in Waimea. (Chelsea Jensen/West Hawaii Today)

CAMARILLO, Calif. — The average U.S. price of regular-grade gasoline spiked 33 cents over the past two weeks to $4.71 per gallon.