Earn 10 bonus AIR MILES reward miles on a $10 in-store purchase with a minimum $20 purchase of any Shell fuel or diesel product. Fuel and convenience store purchase must occur in a single transaction in-store. There is a limit of one bonus offer per transaction and no coupon is required. Car Wash, Tobacco and Service Bay repairs are not eligible. Please allow up to 8 weeks post promotion for the Bonus miles to be awarded to your Collector Account. This offer is valid until September 15th 2013. Click here to visit the Air Miles website.