NOx

How to speak DPF

| August 13, 2012

There’s no need to panic when a DPF light signals routine regeneration — at least in most cases.

Oil & 2010 Tech

John Baxter | November 01, 2011

Most manufacturers have yet to extend change intervals, but oil seems to thrive in the new engines.

2010 Engine Performance

John Baxter | March 01, 2011

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

Oakland port truckers seek emissions rule delay

| March 01, 2011

Drayage trucking companies that serve the Port of Oakland, which use primarily owner-operators, are seeking support to delay a California Air Resources Board mandate that requires trucks to be retrofitted with nitrogen oxide-reduction equipment by ...

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.

Navistar drops emissions equipment suit against CARB

| April 23, 2010

The truck and engine maker had asked a state court to rule CARB was improperly certifying 2010 diesel engines equipped with selective catalytic reduction.

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