: By optimizing valve overlap, VVT can act as an internal Exhaust Gas Recirculation (EGR) system, reducing nitrogen oxide (NOx) formation.
: Systems can reduce fuel consumption by 1% to 6% , leading to significant long-term savings. Download Variable Valve Timing pdf
: Documentation distinguishes between cam-phasing (shifting camshaft angle) and cam-changing (switching between different cam profiles). What to Look for in a VVT PDF VVT Systems - Engine Professional : By optimizing valve overlap, VVT can act
