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Diesel Emissions

States Invest VW Diesel Settlement in Clean Vehicle Technology

Millions of dollars in settlements from the VW diesel emissions cheating scandal will be made available for clean vehicle technology in California and Connecticut.

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CARB Proposes Longer Truck Aftertreatment System Warranties

The California Air Resources Board has announced a public hearing on a proposed rule change that would extend maintenance support for faulty emissions control systems in heavy-duty trucks.

Volkswagen Names New CEO

Volkswagen CEO Matthias Mueller is being replaced by Volkswagen brand chief Herbert Diess, in a week full of news for the German-based auto and commercial vehicle maker.

Senators, Former EPA Chiefs Urge Agency to Drop Glider Reg Repeal

Two Democratic senators who oversee environmental issues sent a letter on March 12 to Environmental Protection Agency Administrator Scott Pruitt, urging him to reverse his November 2017 proposal to repeal air emission standards for glider kits.

Tennessee Tech Disavows Maligned Glider Kit Study Pending Review

Tennessee Tech's president has sent a letter to the U.S. Environmental Protection Agency urging that it not use the university's glider kit environmental impact study pending an investigation into the validity of its results.

Controversial Glider Kit Environmental Study Comes Under Fire

A controversial study commissioned by Fitzgerald Glider Kits that played a key role in a recent EPA proposal to rollback glider kit restrictions has come under fire by the faculty of the Tennessee university that conducted it.

Denso Announces Diesel Particulate Filter Program Improvements

Denso Products and Services Americas has announced a series of improvements to its PowerEdge Diesel Aftertreatment Program.

What Do Bans of Diesel and Gasoline Cars in Europe Mean for Trucking?

Great Britain has joined France and India in phasing out gasoline- and diesel-powered passenger cars over the next 20 years. Will those mandates affect the North American trucking industry? Senior Editor Jack Roberts has more in his Truck Tech blog.

Where U.S. Trucking Fits in the Global Emissions Puzzle

A new report says heavy trucks are the missing piece in the global vehicle emissions puzzle. But the U.S. trucking industry is well ahead of the game, contends Deborah Lockridge in her All That's Trucking blog.

Is Another Round of Emissions Wars Coming?

The election of Donald Trump as president has opened up questions about many issues that most people thought were settled. Heavy truck emissions are one such topic. HDT Senior Editor Jack Roberts addresses the issue in his new Truck Tech blog.