QUINCY, Mass., April 28, 2011—Just in time to combat the pinch at the pump, The Stop & Shop Supermarket Company LLC and Shell, the No. 1 selling gasoline brand in the U.S., are announcing the expansion of Stop & Shop’s Gas Rewards program to customers across Massachusetts, Connecticut, Rhode Island, New Hampshire, and New York. Starting Friday, April 29th, customers will be able to redeem their Gas Rewards points at approximately 600 participating Shell stations in addition to more than 70 existing Stop &....