Idle Reduction Laws and Incentives in Colorado

The list below contains summaries of all Colorado laws and incentives related to idle reduction.

Laws and Regulations

Fleet Alternative Fuel Vehicle Incentive Authorization

The Colorado Department of Public Health and Environment (CDPHE) is authorized to issue grants, loans, and rebates through the Clean Fleet Enterprise (Enterprise), a government-owned business, to business and government entities for the replacement of light-, medium-, and heavy-duty fleet vehicles with clean vehicles. Eligible projects include electric, hydrogen, and renewable natural gas vehicles as well as idle reduction technology. The Enterprise may impose fees to raise funds for financing programs. For more information, see the CDPHE Enterprise website.

(Reference Colorado Revised Statutes 25-7.5-103)

State Incentives

Idle Reduction Weight Exemption

Any motor vehicle equipped with a qualified auxiliary power unit or idle reduction technology may exceed the state’s gross, total axle, or bridge formula vehicle weight limits by up to 550 pounds to compensate for the additional weight of the idle reduction technology. To be eligible for the weight exemption, the vehicle operator must be able to provide written proof of idle reduction technology weight and demonstrate or certify that it is fully functional at all times.

(Reference 8 Code of Colorado Regulations 1507-28)

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