American Express has launched a nationwide promotion that will allow all consumer charge cardholders to earn double points on U.S. standalone gas and grocery purchases up to $1,000 dollars of eligible spend each month, starting March 22nd through March 15th, 2010. To take advantage of the offer, cardholders must enroll their existing charge cards online. Consumers who apply and are approved for the AmEx charge card from April 1st, 2009 through June 30th, 2009 will be automatically enrolled in the promotion for the 12-month period beginning the date their card account is created. To take advantage of the offer, cardholders must enroll their existing charge cards online at “www.americanexpress.com/counttwice”:http://www.americanexpress.com/counttwice or call 1-800-794-1308 and use the promotional code 139150001. There is no cost to enroll.