Clean Energy Fuels Corp. provides natural gas as an alternative fuel for vehicle fleets in the United States and Canada. The company supplies compressed natural gas (CNG), liquefied natural gas (LNG), and renewable natural gas (RNG) for light, medium, and heavy-duty vehicles. It also designs, builds, operates, and maintains fueling stations. In addition, the company manufactures, sells, and services non-lubricated natural gas fueling compressors and other equipment used in CNG and LNG stations; provides assessment, design, and modification solutions to operators with code-compliant service and maintenance facilities for natural gas vehicle fleets; transports and sells CNG and LNG to industrial and institutional energy users; and processes and sells RNG, which is used as vehicle fuel. Further, it sells tradable credits comprising natural gas and RNG as a vehicle fuel, such as Low Carbon Fuel Standards and Renewable Identification Numbers Credits; and helps its customers in acquiring and financing natural gas vehicles, as well as obtaining federal, state and local credits, grants, and incentives. The company serves heavy-duty trucking, airport, refuse, and public transit markets; and industrial and institutional energy users, as well as government fleets. As of December 31, 2016, it served approximately 1,000 fleet customers operating approximately 45,000 natural gas vehicles; and owned, operated, or supplied approximately 570 natural gas fueling stations in 42 states in the United States and in 4 provinces in Canada. Clean Energy Fuels Corp. was incorporated in 2001 and is headquartered in Newport Beach, California.