Clean Energy Fuels Corp. provides natural gas as an alternative fuel for vehicle fleets and related fueling solutions in the United States and Canada. It supplies renewable natural gas (RNG), compressed natural gas (CNG), and liquefied natural gas (LNG) for medium and heavy-duty vehicles, and offers operation and maintenance services for public and private fleet customer stations. The company designs, builds, operates, and maintains vehicle fueling stations, and sells and services compressors and other equipment used in RNG production and fueling stations. It also transports and sells CNG, RNG, and LNG through virtual natural gas pipelines and interconnects, and sells U.S. federal, state, and local government credits, such as Renewable Identification Numbers and Low Carbon Fuel Standards credits. Additionally, it develops, owns, and operates dairy and other livestock waste RNG projects. The company serves heavy-duty trucking, airports, refuse, public transit, industrial, and institutional energy users, as well as government fleets. Incorporated in 2001, it is headquartered in Newport Beach, California.