U.S. largest bus fleet chooses bioCNG to speed up path to zero emissions

U.S. largest bus fleet chooses bioCNG to speed up path to zero emissions

Clean Energy Fuels Corp. announced that the Los Angeles County Metropolitan Transportation Authority (Metro) has signed a new agreement for an estimated 47.5 million gallons of its renewable natural gas to fuel the nation’s largest transit bus fleet. This agreement will mark the completion of Metro’s 5-year goal to transition its diesel fleet to cleaner, low-carbon fuel, with 2,400 buses now running on biomethane.

“Metro is committed to ensuring a seamless path towards a carbon neutral future,” said Metro’s Chief Sustainability Officer, Cris Liban. “Our use of renewable natural gas alongside our ultra-low NOx engines on our existing CNG fleet provides the most cost-effective, equitable, and clean air strategy as we continue to transition to a 100% zero-emissions bus fleet by 2030 and a net zero-emissions agency by 2050.”

The fueling contract resulted from a competitive RFP process, with Metro awarding Clean Energy three fueling depots for a five-year term, with an option to extend up to three additional years. Clean Energy already delivers renewable natural gas to five additional Metro fueling depots under a previously awarded fuel agreement.


Over the 5-year period, the transition to biomethane will further reduce Metro’s greenhouse gas (GHG) emissions compared to the use of conventional natural gas, driving down the agency’s Scope 1 emissions.

“Metro continues to lead public transportation as one of the cleanest fleets in the US, with nearly 22 million gallons of renewable natural gas delivered since 2017,” said Clean Energy Renewables Senior Vice President, Nate Jensen. “With this additional commitment to fuel with renewable natural gas, Metro is accelerating its path to net zero carbon emissions.”


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