Westport and Clean Energy have joined forces to offer fleets purchasing compressed natural gas (CNG) systems the opportunity to receive free CNG. The program is open to fleets purchasing five or more Westport WiNG power systems between now and Dec. 31, 2013. Westport will provide fuel credits to be used at any Clean Energy station across the U.S. The free fuel credits are being offered on a “first-come-first-served” basis, and up to 750,000 gasoline gallon ...