Cummins Filtration, a wholly owned business unit of Cummins Inc., recently was awarded the Engineering Merit Award from the American Filtration & Separations Society for its Fleetguard Closed ...

Crankcase blow-by is hot gases that sneak past the piston rings. As of 2007, the U.S. Environmental Protection Agency limits nonmethane hydrocarbons to 0.14 grams per bhp-hr. Blow-by gases are rich in ...

Every engine has some sort of crankcase breathing system. The internal combustion process creates pressure, some of which makes its way past the piston rings-along with fuel vapors-and into the rest ...

Clogged crankcase ventilation systems often are overlooked causes of engine oil leaks. Savvy service personnel keep these systems at the top of their mental checklists for solving oil leaks. I'll ...