Diners Club and British Airways are launching a new promotion that offers U.S. cardholders the option of converting “Club Rewards” points for 50% more. The special deal starts May 2nd and end August 31st. For example, for just 37,000 “Club Rewards” points, cardholders receive over 55,000 “BA Miles,” which is enough to fly round-trip in “World Traveller” economy class from the U.S. to London or other select cities. Diners Club recently formed an alliance with MasterCard to carry the MasterCard brand mark and hologram. For more information visit: “http://www.ba.com/dinersclub”:http://www.ba.com/dinersclub.