Pathway 4.

Energy Efficiency, Conservation, and Fuel Switching in Transportation → Heavy-Duty Vehicles and Freight

4.3.8 Inspection and Maintenance Requirements for HDVs

LPDD Recommendation: “States with areas in nonattainment of one or more NAAQS should impose HDV Inspection and Maintenance (I/M) programs to ensure that in-se HDV emissions do not exceed the level to which the vehicles were certified.”

5 Resources Found, Displaying 1 thru 5

Colorado’s Reduction of Diesel Vehicle Emissions Regulation

Jurisdiction: States and State Governments

Colorado has instituted diesel fleet certification and inspection requirements for vehicles at least two years old. The regulations went into effect in 1998.

Arizona Testing Requirements for Heavy-Duty Vehicles

Jurisdiction: States and State Governments

Arizona approved emissions testing requirements for HDVs as a method for demonstrating SIP compliance in 1997.

New York’s Inspection and Maintenance program for Heavy Duty Vehicles

Jurisdiction: States and State Governments

New York’s Inspection and Maintenance program for HDVs is codified at 6 NYCRR 217-5.

Report, Heavy-Duty Diesel Vehicle Modal Emission Model

Jurisdiction: Individual Agencies

EPA's 2005 report proposed heavy-duty Diesel vehicle modal emission modeling framework for heavy-duty diesel-powered trucks and buses.

Texas A&M Study on Heavy Duty Vehicle Emissions Measurement

Jurisdiction: Private Entities

In 2012, the Texas A&M Transportation Institute conducted a pilot study assessing the applicability of the On-Road Heavy-Duty Emissions Measurement System (OHMS) to a potential heavy-duty diesel I/M program in the Dallas-Fort Worth region.