It has been just over a decade since GM V8 engine technologies like cylinder deactivation and light-weight oils became standard, how have they impacted sales? This question was raised by a recent ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its next generation of pushrod engines. The application, published by the U.S.

How Does Cylinder Deactivation Save Fuel? Towing a big trailer up Davis Dam may require a big, burly V-8 engine, while cruising along a level freeway when that same truck is empty barely requires a ...

The 2025 Corvette ZR1 isn’t short on impressive specs – from the four-figure horsepower, to the 1,200 pounds of downforce, to exhaust gas that exits the rear pipes so fast it provides thrust, the new ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for engine cylinder deactivation. The patent application is tagged with patent ...

Today we have the incredible luck of choosing exactly the kind of car and powertrain we want. The auto industry was never this diverse in its offerings. This might mean that we should better inform ...

His automotive adventure started reporting on various motorsport events as a sports writer before moving onto a full-time auto career with various sites, including This Week In Motors and ...

GM is hoping new technology can help improve fuel economy by up to 15 percent. Called Dynamic Skip Fire (DSF), the cylinder deactivation technology is being developed by Tula Technology, Inc. a ...