An act relating to delaying the requirements of the Advanced Clean Truck rule

H 503 would delay the implementation of Vermont's Advanced Clean Truck rule by five years, moving the effective date from model year 2031 to 2036. The rule would require heavy truck manufacturers and fleet operators in Vermont to gradually adopt zero-emission truck models. This bill directly affects commercial trucking businesses and manufacturers who would have been subject to the emissions standards starting in 2031. The key provision is simply extending the timeline for compliance without altering the rule's emissions requirements.