By Michael Zimmerman and Neda Deylami
The market for electric medium- and heavy-duty vehicles in the U.S. is rapidly expanding. As of October 2024, 11 states have adopted the Advanced Clean Trucks rule, which requires manufacturers to produce increasing amounts of zero-emission MHDVs, and more are considering adopting this standard. Key policies like the ACT will be essential to ensuring customers’ access to zero-emission trucks and buses.