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Diesel Emissions

Navistar to Settle Class Actions over MaxxForce Engines

Navistar International has agreed to settle pending class action lawsuits that alleged that certain Navistar MaxxForce Advanced EGR engines are defective and that Navistar failed to disclose or correct the alleged defect.

Cummins Reviews Certification of Ram Diesel Engine

Cummins Inc. has begun a formal review of its emissions certification and compliance process relating to diesel engines it supplies to Fiat Chrysler Automobiles for Ram pickups, the engine-maker has announced.

How to Prevent Problems with Low-Quality Diesel Exhaust Fluid

If a truck is running low-quality DEF, there are a number of issues that may occur, some of which could even void a vehicle’s warranty. This includes catalyst poisoning, deposits, and injector/filter clogging. Repairs can be very expensive and downtime may be extensive.

California Bill Calls for HD Truck Emissions Testing

Unlike passenger vehicles, which require biennial smog checks in California, heavy-duty diesel trucks are not currently required to undergo regular emissions testing. That might change with the introduction of a bill in the state Senate.