In the past two months we've covered most of the emission systems that have appeared on recent automobiles. This month we'll conclude our discussion of these systems with those devices designed to ...

When the auto manufacturers first introduced their newfangled multiport fuel-injection systems, many hot rodders feared that the days of performance tuning and tweaking were gone. However, nothing was ...

The Ford Mustang's active exhaust system is more than just an auditory gimmick -- it's a performance feature engineered to balance civility with the bellowing growl muscle car fans expect. Introduced ...

Garrett Motion. has filed a patent for methods and systems utilizing model-based calculations to control mass flow in internal combustion engines. The system includes a secondary air injection valve ...