NOx

How to speak DPF

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

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Oil & 2010 Tech

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

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2010 Engine Performance

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

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Oakland port truckers seek emissions rule delay

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 2014. A trade group representing port truck operators estimates that without a postponement in the NOx requirement 4,400 trucks of 1994-2006 model years would have to be replaced with 2007 or newer models by January 2014. Last December, CARB voted against ...

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Engine Spotlight

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

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Hitting the road

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

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Navistar drops emissions equipment suit against CARB

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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