Clean Energy Fuels has announced a series of new agreements spanning renewable natural gas (RNG) fuelling infrastructure and supply across multiple fleet sectors in the United States, as the company says demand for proven clean fuel solutions continues to grow.
Chad Lindholm, senior vice president at Clean Energy, said 2025 had been a difficult year for alternative fuels that failed to deliver on their promise, but that fleets were increasingly turning to RNG as a solution that was clean, affordable, domestically produced and backed by established fuelling infrastructure.
Among the new deals, Clean Energy has extended its partnership with Ecology Transportation Services, one of Southern California's largest RNG trucking adopters, supplying its 150-vehicle fleet with an estimated 2.1 million gallons of RNG annually across stations in California, Arizona and Nevada.
Waste hauler Recology is expanding its RNG commitment in the Seattle region, with Clean Energy providing operations and maintenance services for an upgraded station in Seattle and a newly completed site in Snohomish, Washington. Clean Energy also continues to support waste management giant WM, maintaining more than 85 RNG stations across the US and Canada and keeping 8,000 RNG-powered refuse trucks operational.
In the transit sector, Washington Metropolitan Area Transit Authority (WMATA) has awarded Clean Energy a new operations and maintenance contract covering five million gallons of fuel for over 400 buses. Clean Energy has served WMATA stations for more than a decade. Separately, the company has signed a maintenance agreement with ABM Facility Services to support three transit bus fuelling stations in Phoenix, supplying RNG to 335 buses and dispensing approximately 4.7 million gallons annually.
Arlington Transit in Virginia has selected Clean Energy through a competitive process to supply RNG to its 78-bus fleet, totalling around 750,000 gallons a year. Further agreements cover refuse and airport operations, including extended contracts with the City of Scottsdale in Arizona, Nashville International Airport, and a new RNG supply deal with the City of Fort Smith in Arkansas.
Clean Energy says RNG is one of the only fuels to receive a negative carbon-intensity rating, significantly reducing greenhouse gas emissions on a lifecycle basis compared with diesel, while also costing less at the pump. The US Environmental Protection Agency estimates the transport sector accounts for 28% of American greenhouse gas emissions, with agriculture contributing a further 10% — both of which RNG derived from captured farm waste can help to address.
Clean Energy secures wave of RNG fleet deals
