A new valve from Clippard Instrument Laboratory Inc., Cincinnati, helps ensure air in medical and instrumentation applications — where even the smallest particles could cause serious damage downstream ...

If your car has a PCV valve, and if your engine has been idling roughly or a malfunction indicator light goes on, check the valve. Car manufacturers suggest that PCV valves be cleaned or replaced ...

Sounds like one of those energy drinks. And in a way, it is. It’s the new ingredient BP is touting in its gasoline to clean intake valves to keep your engine humming. Though we don’t know exactly what ...