SCR

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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Navistar tops in ‘fluid economy’

Navistar said its International ProStar+ outperformed competing trucks in efficiency measuring diesel and urea.

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Mack TerraPro refuse truck ‘Sliced’ on History Channel

The star of last week’s episode of the History Channel television program Sliced was “tough, rugged and good-looking,” said makers of said star, a Mack TerraPro refuse truck that the show’s host, John McCalmont, showed backed up its exterior with EPA 2010 emissions-certified power in the guts. Each week, the Sliced host uses a bevy of tools to slice objects apart, layer by layer, exploring how they work. On previous episodes, McCalmont has taken on objects ...

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Navistar, EPA settle suits over SCR certification

The agreement calls for the agency to hold a public workshop or hearing to address the issues Navistar raised.

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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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Cummins says 2010 engines meeting expectations

Cummins’ 2010-compliant heavy-duty diesel engines are delivering at least 5 percent better fuel economy.

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EPA revises SCR guidance

The original guidance required engine performance to be degraded after a truck travels 2,000 miles or 40 hours on an empty DEF tank

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EPA to decide if SCR guidance is binding

The EPA is seeking a 60-day stay of the lawsuit filed by Navistar challenging the agency's guidance to truck and engine makers that are using selective catalytic reduction to achieve 2010 emissions standards.

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