IMAGE DISTRIBUTED FOR FRITO-LAY - Frito-Lay along with Department of Energy and Wis. D.O.A representatives join a ribbon cutting at a Frito-Lay CNG fueling station on Wednesday, June 19, 2013 in ... more 
IMAGE DISTRIBUTED FOR FRITO-LAY - Frito-Lay along with Department of Energy and Wis. D.O.A representatives join a ribbon cutting at a Frito-Lay CNG fueling station on Wednesday, June 19, 2013 in Beloit, Wis. Frito-Lay Lay initiated an RFP to build seven public CNG fueling stations across the U.S. in 2013, providing fuel for the expanding Frito-Lay fleet, as well as service other companies using alternative fuel vehicles. (Photo by Darren Hauck/Invision for Frito-Lay/AP Images) less 
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Associated Press
Wed, Jun 19, 2013 5:02 PM EDT