A purge valve is a component in a vehicle's evaporative emission control (EVAP) system. The EVAP system helps prevent fuel vapors from escaping into the atmosphere by capturing and storing them in a ...

Part of the car’s emissions controls, this charcoal-filled canister’s job is to absorb fuel vapor that would otherwise vent out to the atmosphere, causing pollution. Vapors trapped by the charcoal are ...

I have a 1978 CJ-7, which I am rebuilding. I am running new fuel lines to a new tank and a new fuel sending unit. I cannot find replacement parts for the check valves and charcoal canister. I have ...

Forbes contributors publish independent expert analyses and insights. Ken Silverstein covers global energy and climate issues. Most Americans are still grilling and using propane to do so — at a cost ...