XPI

2010 Engine Performance

John Baxter | March 01, 2011

Manufacturers say EPA-driven changes yield better fuel economy and other benefits.

Engine Spotlight

By John Baxter | January 03, 2011

Cummins’ ISX has been around for more than a decade, but recent changes turn heads for durability and fuel-mileage enhancement.

Hitting the road

John Baxter | May 02, 2010

Feedback on the latest heavy-duty power plants shows some positive signs as new technology tackles 2010 emissions standards.

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