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 ...

The U.S. Environmental Protection Agency recently announced action taken against several diesel shops for violations of the federal Clean Air Act related to installing or selling illegal “defeat ...

Thursday, May 20, 2021, at 5 p.m. Eastern time, this live panel discussion and Q&A offered a variety of ways to combat owner-operators' maintenance issues related to the emissions control systems in ...

Continuing just-auto’s series of Q&As with tier one component suppliers, Matthew Beecham talked to Dr.-Ing. Wolfgang Reuter, vice president, sales and engineering, Tenneco Emission Control ...

Volvo Trucks North America has announced the availability of an engine that meets the California Air Resources Board (CARB) 2024 Omnibus regulation. This CARB rule sets the requirements for low ...

A purge valve is a vital component of a vehicle's evaporative emission control (EVAP) system. Its function is to control the flow of fuel vapors from the fuel tank and evaporative canister into the ...

GRAND RAPIDS, Mich. — Two Grand Rapids companies, its owners and employees are facing criminal charges for violating the federal Clean Air Act. The U.S. Attorney for the Western District of Michigan ...

Cummins Inc. has agreed to pay a $2.04 billion charge to resolve discrepancies in emissions certifications in some of Cummins’ pick-up truck engines. Cummins officials told investor analysts during ...

To most of us, emission control systems are some sort of "black art" devices that have been forced upon us to rob performance and ruin gas mileage, but that's really not the whole story. Air pollution ...