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Diesel particulate filters help cleanse exhaust and give us cleaner air to breathe, but they cause frequent grief and expense.
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According to a group of collaborating researchers, emissions at the Port of Oakland, Calif., have decreased dramatically due to more stringent California Air Resources Board (CARB) regulation.
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Navistar's new ProStar ES package includes a choice of the Maxxforce N13 engine coupled to an Eaton Fuller Advantage 10-speed automated transmission, or the Eaton Cummins SmartAdvantage powertrain, and high-efficiency 6X4 or 6X 2 drive axles and fuel-efficient tires.
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Sales of diesel particulate filters for commercial trucks and buses in California increased at the end of 2013 and in the first half of 2014 compared to the first half of 2013, according a survey released by the Manufacturers of Emission Controls Association.
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Another lawsuit has been brought against the truck and engine manufacturer Navistar over earlier model engines using exhaust gas recirculation technology, following other litigation that was filed earlier this month.
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Navistar has started customer shipments of its International DuraStar and WorkStar trucks with the company's 9.3-liter diesels fitted with selective catalytic reduction emissions-aftertreatment equipment.
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UPDATED -- The complaint alleges that Navistar actively concealed that its 2008-2013 model trucks, equipped with the MaxxForce Advanced exhaust gas recirculation diesel engines, contained a defective emission system that caused the trucks to suddenly break down.
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Lawyers for trucking companies have filed lawsuits in three states against the parent company of International Trucks, claiming Navistar failed to disclose known defects and problems with its EPA 2010 MaxxForce engines.
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The new powertrain gets up to 5% better fuel economy than older tractors with manual transmissions, the company says.
Read More →Navistar announced enhancements to its severe service and medium-duty product lines, including adding selective catalytic reduction emissions technology to its higher-horsepower midrange engines.
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