A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...

For now, here are the 5 car companies that had the most service recalls in 2025. There are a few in there that might shock ...

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

GM files a patent for advanced cylinder deactivation, aiming to make V-8 engines much more efficient without sacrificing ...