Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

Hyundai doesn’t currently offer a diesel engine for sale in the United States, so it may surprise you to hear that the brand recently patented some interesting diesel engine technology. According to a ...

Ever-evolving emissions rules have resulted in several significant shifts in car design, although this is far from a new phenomenon. Regulators have been looking for ways to make cars more ...

Improper blow-by control can lead to oily breather and valve covers. Is improper control of blow-by gases in your crankcase causing problems in your engine? If any of these questions below sound ...