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Diesel Engines

Report Clears EPA 2017 Glider-Emissions Study

An audit by the Environmental Protection Agency’s independent Office of the Inspector General says the agency's testing of glider kit emissions, which found they produced significantly more emissions than new vehicles, “complied with standard practices.”

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.

A Closer Look at Diesel Cabover Warranties

Isuzu, Chevrolet, Hino, and Mitsubishi Fuso Truck of America offer similar standard warranties for their diesel cabovers, and provide additional component warranties to increase a fleet manager's piece of mind.

Trucking Engineers up to the Challenge

"Trucking engenders passion, and I see it in the engineers you depend on, who seem able to beat just about any challenge that comes along," writes Rolf Lockwood in January's "Locking it In" column.

Staying on Track with Off-Road Regulations

Off-road regulations can be difficult to navigate. Typically, compliance dates for federal standards vary by engine horsepower, but on the state level they can vary by fleet size, too.

It’s Not Easy Going Green

The troubled economy and depressed wholesale market are making it doubly tough for fleets looking to go green. But there are ways of coping with both.