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 ...
What Is A Basic Drive Cycle? A basic drive cycle is a simplified version of a standard drive cycle used to evaluate the performance of a vehicle's onboard diagnostic (OBD) system. Unlike a standard ...
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 ...
Marelli, a global mobility technology supplier to the automotive sector, announces the launch of its new generation Port Fuel Injection Engine Control Units (PFI ECUs) dedicated to gasoline, flex fuel ...
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Cheating by car makers, tampering by owners: Crucial car pollution control is being sabotaged
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 ...
Long the focus of regulators in their efforts to clean up the air, the automobile has become so clean there are now cases where the air coming out of the tailpipe is cleaner than the surrounding air.
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 ...
Add Yahoo as a preferred source to see more of our stories on Google. Montpelier, VT. – The Automotive Emissions Repair Assistance Pilot Program, a project launched by Vermont’s Department of ...
A new policy has halted all criminal investigations and prosecutions of those who bypass vehicles’ emissions control systems, although civil enforcement may continue. The Justice Department on ...
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