EPA Proposed Amendments to MY 2027+ Heavy-Duty NOx Program
July 20, 2026
An overview of EPA’s proposed changes to the Heavy-Duty Low NOx Rule starting MY 2027
An overview of EPA’s proposed changes to the Heavy-Duty Low NOx Rule starting MY 2027
An overview of CARBs proposed light- and medium duty “Drive Forward” proposal for MY 2031+ vehicles
The U.S. EPA has proposed a two-year delay for the introduction of the previously announced Tier 4 emission standards for light- and medium-duty vehicles.
A summary of recent work done on the use of portable equipment to identify high emitting vehicles in Nigeria.