Trump pardoned people convicted of Clean Air Act violations who he said were "persecuted by the Biden Administration" and ...

New policy backs SEMA's certification program while challenging California's long-standing role in regulating aftermarket ...

In the past two months we've covered most of the emission systems that have appeared on recent automobiles. This month we'll conclude our discussion of these systems with those devices designed to ...

By 2020, the EPA revamped its emissions and fuel economy testing by using gasoline with reduced sulfur and 10% ethanol, but ...

A University of Maryland student sits in a John Deere tractor equipped with a rollover protective structure during a safety class at the Central Maryland Research and Education Center in Ellicott City ...

Last month we began our discussion of emission systems by examining various crankcase and fuel vapor control devices, along with throttle and carburetion equipment aimed at reducing automotive exhaust ...

It has stopped criminal prosecutions of people who install “defeat devices,” which make diesel trucks faster and more ...

Emission control systems in modern cars have slashed air pollutants such as particulate matter and nitrogen oxides. But these systems face two major challenges: carmakers cheating on pollution tests ...

Wendt Corp. of Buffalo, New York, has commissioned a Wendt Model 106 Heavy shredding plant with an emission control system at PNW Metal Recycling in Longview, Washington, which it says sets “a new ...

BEIJING, Aug 2 (Reuters) - China will accelerate the development of a carbon emissions control system to help it achieve its goal of reaching a peak in the emissions of the climate-warming gases by ...