They come in flavors such as grape and orange and can cost as little as $2.50 a can.Calls to Phusion Projects Inc. of Chicago, maker of Four Loko, were not immediately returned.In 2008, Anheuser-Busch InBev NV and MillerCoors LLC stopped selling caffeinated alcoholic beverages including Tilt and Sparks under pressure from several states and federal regulators, but smaller companies continued to se