With a firm commitment to reduce American dependence on foreign oil, Carl's Jr. will not have to look beyond its own stores for a solution. MJKL Enterprises, LLC, the largest franchise owner of Carl's Jr. locations in Arizona with 52 stores statewide, announced plans today to convert all corporate fleet vehicles to operate on alternative fuel derived from waste vegetable oil (WVO) collected at their Arizona franchise locations by early 2010. The company's policy was formalized on International Earth Day, March 20, in a move to reaffirm the company's dedication to environmental sustainability. "This is about more than our commitment...