RPT-UPDATE 1-Walmart U.S. offers gasoline discount to woo shoppers
April 01, 2013 at 13:20 PM EDT
NEW YORK, April 1 (Reuters) - Walmart is cutting gasoline prices by up to 15 cents a gallon for drivers in 21 U.S. states who pay with its cards in an attempt to woo shoppers grappling with high prices at the pump.