"Nearly 5,500 new full-size zero-emission transit buses were on the road, on order or funded in the U.S. in 2022, a 66% increase over the previous year, according to data released this week by CALSTART": https://www.smartcitiesdive.com/news/zero-emission-transit-agency-bus-adoption-increased-2022/641768/ via Dan Zukowski
Transit agencies’ zero-emission bus adoption increased in 2022

California, New York, Florida, Texas and Massachusetts together added more than 1,500 zero-emission transit buses to their fleets.

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