Clean Energy Fuels Corp. engages in the provision of natural gas as an alternative fuel for vehicle fleets in the United States and Canada. The company is headquartered in Newport Beach, California and currently employs 577 full-time employees. The company went IPO on 2007-05-25. The firm is engaged in the business of selling renewable and conventional natural gas as alternative fuels for vehicle fleets and related fueling solutions to its customers, primarily in the United States (U.S.) and Canada. Its principal business is supplying renewable natural gas (RNG) and conventional natural gas, in the form of compressed natural gas (CNG) and liquefied natural gas (LNG), for medium and heavy-duty vehicles and providing operation and maintenance (O&M) services to public and private vehicle fleet customer stations. The firm is also focused on developing, owning, and operating dairy and other livestock waste RNG projects and supplying RNG (procured from third party sources and from its anaerobic digester gas RNG joint venture project with TotalEnergies S.E.) to its customers in the heavy and medium-duty commercial transportation sector.