Zero-emission truck adoption is growing, but slowing against a tough regulatory environment
Despite the Trump Administration last year striking many regulations aimed at spreading the deployment of electric trucks, the U.S. hit 59,313 cumulative zero-emission vehicle deployments as of June 2025 (.39% of the total truck stock), according to the latest Zeroing in on Zero-Emission Trucks (ZETs) report released by CALSTART.
Nearly all of these deployments, according to CALSTART, are battery-electric, though 197 hydrogen fuel cell electric trucks have been deployed in the heavy-duty (HD) truck segment, including 42 added in the first 6 months of 2025. The price of hydrogen must be around $5/kg to make hydrogen fuel cell trucks a market competitive option, CALSTART said, noting the current market rate for hydrogen is between three and six times higher.
CALSTART Vice President of Trucks and Off-Road Tor Larson noted progress in deployments is being driven “by clear policy signals; smart incentives; and close coordination between fleets, manufacturers, utilities and governments.”
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