CobbleStone Auto Spa is celebrating their grand opening of their new Tempe site on Friday 3/15. They are giving away 10 gallons of gas FREE to the first 100 customers at 7 A.M. If you miss that deal, you can also get $2.99/gallon of gas all weekend long w/ the purchase of any car wash at the pump. There are other coupons and deals on their flyer. One is for a FREE exterior car wash. Check it out here.