Electrification is vital to decarbonizing the transportation sector, which includes public transit fleets. Medium- and heavy-duty vehicles—including trucks and buses—are the second largest source of transportation-related greenhouse gas emissions, and their zero-emission vehicle sales are expected to reach 30% by 2030 and 100% by 2040. Although adoption of electric buses is increasing, they comprised only 2% of the U.S. transit bus fleet in 2021.
“Greater electricity demand and associated higher costs are the price of admission with high-power charging,” said Roberto Vercellino, mobility engineer at the National Renewable Energy Laboratory . “But behind-the-meter resources are an available, effective means of tackling those challenges without impacting operation.
“If we’re going to decarbonize the transportation sector, including transit bus and other fleets, we need to make sure that electrification is as cost efficient and energy efficient as possible,” said NREL mobility researcher, Gustavo Campos. “We’re seeing BTM resources deployed effectively in this way throughout the country, so we have a great opportunity to demonstrate its value to transportation decision makers.”On an average weekday, 5,800 New York MTA buses transport more than 2.
“The Joint Office is ready to support transit agencies, school districts, and other public agency fleet managers with detailed technical assistance to ensure a smooth transition to an electric future,” said Jeff Peel, Joint Office deployment manager. “This analysis for MTA showed the potential to save over $2 million in operations annually—money the MTA can reinvest into more and better service for passengers.
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