exhaust gas recirculation

Six pounds of soot could be lurking in your oil

EGR-only engines put up to six pounds of soot into oil during a 40,000-mile interval.

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WSJ says Navistar ready for SCR to meet emissions regs

Navistar will move from EGR and adopt the SCR path taken by its competitors to meet 2010 diesel emissions regulations.

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Navistar gets California OK to sell engines

Company has permission to continue to sell new heavy-duty truck engines as long as the company still has enough emissions credits.

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Navistar submits MaxxForce 13 for EPA certification

California Air Resources Board had issued a public letter to Navistar saying the company's emissions credits for the engine will expire Feb. 29.

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Judge dismisses Navistar SCR emissions suit

Company sought to force the U.S. Environmental Protection Agency to recall 2010 model year engines using selective catalytic reduction.

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Torque Target

New engine technology promises not only improved engine efficiency, but also the ability to spec your drivetrain to further enhance fuel economy.

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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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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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Daimler, Volvo challenge Navistar test

Daimler Trucks North America and Volvo Trucks North America issued sharp rebukes of a “fluid economy” road test commissioned by Navistar.

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