The Department of Justice says it will no longer seek criminal charges tied specifically to tampering with a vehicle’s ...

This could lead to a free-for-all as tuners go forward, but judging by the DOJ's statement, they should hold on just a second ...

Ford’s 6.4L and 6.7L Power Stroke turbo diesel engines represent two very different eras in the brand’s heavy-duty legacy.

In the American automotive industry, the Ford-Navistar breakup, which led to the two companies parting ways in 2009, is a notable example of a great partnership turned sour. What had started as a ...

If you're involved in the diesel truck world, you'll know that there is a trifecta of American engine lines that have dominated the diesel market for decades. Those include the Dodge/Cummins, Chevy ...

Navistar Inc has signed a concept development agreement with Clean Air Power Ltd to develop Navistar’s MaxxForce 13 big-bore engine to run on natural gas and clean diesel fuel for the North American ...

Diesel engine manufacturer Cummins Inc. has gained an extension of its long-term supply deal with truck builder Navistar International Corp., with Cummins named as the preferred supplier of ...

Diesel engine leader Cummins Inc. CMI will supply medium- and heavy-duty truck and bus engines to Navistar International Corp NAV through the next two emission cycles, or 2026. "This new long-term ...

Power Solutions International Inc. (PSI) displayed its 8.8-liter engine during the STN Expo conference and trade show July 30 in Reno, Nevada. The engine, powered by gasoline and propane, was featured ...

Navistar International Corp. reported fiscal second-quarter revenue increased while a legal settlement of legacy engine issues led to an income loss. For the period ended April 30, Navistar posted a ...

Navistar has entered into a $159 million class-action settlement with fleets and truck owners who purchased 2011-2014 11-liter and 13-liter MaxxForce engines. The settlement resulted from Navistar’s ...

Navistar International Corp NAV has agreed to pay $135 million to truck owners to settle class action complaints over defective MaxxForce engines. The proposed settlement, which must be approved by ...