Delaware Idle Reduction Laws and Incentives
State Laws and Regulations
Idle Reduction Weight Exemption
A vehicle equipped with an idle reduction technology may exceed the state's gross, axle, tandem, or bridge vehicle weight limits by up to 400 pounds to compensate for the additional weight of the added idle reduction technology. The additional weight may not exceed the actual weight of the idle reduction unit, and vehicle operator must be able to prove the weight of the technology and demonstrate that it is fully functional. (Reference Senate Bill 133, 2009)
Idle Reduction Requirement
On-road heavy-duty motor vehicles with a gross vehicle weight rating of 8,500 pounds or greater may not idle for more than three consecutive minutes when the vehicle is stationary. Violators are subject to penalties of up to $500 for each offense. Heavy-duty vehicles subject to this regulation include long-haul and delivery trucks, and transit and school buses. Emergency fire, rescue, and lifesaving vehicles are exempt. Other vehicle operating situations may fall under the exemption section of the regulation. (Reference Delaware Department of Natural Resources and Environmental Control Regulation 1145)
