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 ...

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 ...