The Advanced Clean Fleets (ACF) regulation is part of the California Air Resources Board’s (CARB) overall approach to accelerate a large-scale transition to zero-emission medium- and heavy-duty vehicles. ACF will work in conjunction with Advanced Clean Trucks (ACT) rule. ACT is targeted to OEMs and ACF is targeted to fleets. CARB believes that by working both sides of the equation they ensure the industry adopts zero-emission vehicles (ZEV) as quickly as possible. Essentially ACF and ACT will ban both the sale and ownership of medium- and heavy-duty diesel vehicles in California by 2036, although work trucks, day cab tractors, and busses with three axles will not go 100% zero emission until 2039 and sleeper cab tractors and specialty vehicles will not go 100% zero emission until 2042.
The most significant short-term impact from ACF will impact drayage trucks. Starting January 1st, 2024 only ZEVs can register in CARB’s drayage registry. However, drayage vehicles with internal combustion engines (ICE) currently on the road can continue to operate through their “minimal useful life”, which is either 18 years after its model year or 800,000 miles, whichever comes first.
ZEV Fleet Milestones by Milestone Group and Year:
Something else that it is crucial for fleets to know is that although there are several funding programs available to support the use of advanced technologies, these programs only pay for early adoption not compliance. So the earlier a fleet acts, the more funding opportunities there are available. early. A list of all vehicles that are currently eligible for funding is available at California HVIP.
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