Final California deadline for upgrading heavy-duty diesels to MY2010 or newer engines
Green Car Congress
JANUARY 3, 2023
California’s Truck and Bus regulation ( earlier post ) has been in effect since December 2008, with the purpose of reducing emissions of diesel particulate matter (PM), oxides of nitrogen (NO x ) and other criteria pollutants from in-use diesel-fueled vehicles. The regulation applies to: Diesel vehicles with a GVWR greater than 14,000 lbs.
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