Tag Archives: Off-Road Regulation

Death of the Diesel – CARB Tightens Off-Road Equipment Regs

The amendments will require fleets to phase-out use of the oldest and highest polluting off-road diesel vehicles in California; prohibit the addition of high-emitting vehicles to a fleet; and require the use of R99 or R100 renewable diesel in off-road diesel vehicles. These vehicles are the second largest mobile source of NOx in California, only exceeded by trucks on roads and highways, aka on-road trucks. Continue reading

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