Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Under the necessary conditions of ignition and proper burn rates (cylinder pressure history), both these conditions can exist in virtually any engine. But, in particular, they certainly apply to race ...

In response to stricter global emissions standards, automakers are looking for new ways to wring every last bit of efficiency out of the internal-combustion engine. In this Engineering Explained video ...

Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

Turbulent jet ignition from racing helps Jeep's new 2.0L engine deliver 324 HP with improved efficiency in the Grand Cherokee ...

Even today, in a time when electric power is beginning to take a major hold, internal combustion engines (ICE) are the driving forces of our world. They probably won't be that for long, though, so ...

There is no shortage of people around the world today who seem pretty certain that the days of the internal combustion engine (ICE) as the primary form of propulsion for transportation are effectively ...

Homogeneous charge compression ignition (HCCI) engines combine a diesel's torque and fuel efficiency with a gas engine's cleaner emissions. The HCCI technique has been a goal of automakers since the ...