Gasoline fumes contain a variety of hydrocarbons that constantly evaporate from the engine and fuel tank into the atmosphere. If the fuel is in the atmosphere, it can cause pollution, even if the ...

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 ...

My wife’s 2005 Dodge Grand Caravan will not let us add gas to it. At best, I need to fill it painfully slowly. I have a feeling it has to do with the EVAP system. The dealer said it would be $400 to ...