Engineering Explained on MSN

Variable valve lift vs variable valve timing - VVL vs VVT

What is VVL? What is VVT? How does VVL/VVT work? What is variable valve lift? What is variable valve timing? We're going to ...
GM Authority

GM Files Patent For New Variable Shock Absorbers

GM has filed a patent application for an adaptive shock absorber with a mechanical design, potentially reducing complexity ...