Approximately 120,000 new heavy-duty vehicles (HDVs) were registered in the United States in the first half of 2024. Of these, 1,381 (0.56%) were zero-emission vehicles (ZEVs). There were more zero-emission HDV registrations in the first quarter of 2024 (800) than in the second quarter (581). Zero-emission vehicles accounted for 0.64% of total HDV registrations in Q1 and 0.48% of HDV registrations in Q2, increases of 113% and 60%, respectively, from the 0.30% share for all of 2023. Additionally, new zero-emission bus registrations in Q1 achieved a double-digit share of the bus market for the first time. If trends continue through the end of the year, 2024 will surpass 2023 in both total registrations and market share for zero-emission HDVs.
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