Selective Catalytic Reduction

Oil & 2010 Tech

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

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Cat vocational truck now in production

Caterpillar is shipping its CT660 vocational truck to North American customers.

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Engine Spot

Where Mack's 13-liter MaxiCruise distinguishes itself from its predecessors, is in its horsepower offerings relative to the engine’s rpm level.

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Navistar sues EPA again over SCR rule

Navistar alleges nitrogen oxide emissions skyrocket when drivers don't keep diesel exhaust fluid topped off.

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EPA seeks SCR alert system

Agency calls on SCR engine makers to develop warning systems that alert drivers when diesel exhaust fluid tank is nearly empty.

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Navistar details market expansion

Navistar is the only heavy-duty engine maker using exhaust gas recirculation without selective catalytic reduction to meet federal emissions regulations.

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2010 Engine Performance

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

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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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Shell launches lube tour

Shell is touring eight U.S. cities through Oct. 28 to educate fleet owners and maintenance managers about products and services.

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U.S., California to consider SCR ‘loopholes’

The EPA and the California Air Resources Board have presented preliminary proposals aimed at alleged compliance loopholes noted by Navistar.

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