Home Slickdeals Groupon – 25¢ Off Per Gallon @Shell (Up to 20 Gallons)... Slickdeals Groupon – 25¢ Off Per Gallon @Shell (Up to 20 Gallons) – new fuel rewards customer only By ARCOM - 23 October 2017 577 0 SHARE Facebook Twitter Go to the deal page: Groupon – 25¢ Off Per Gallon @Shell (Up to 20 Gallons) – new fuel rewards customer only