Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why ...

The compression ratio clarification wasn’t the only one issued by the FIA. For some time now, F1 has used ultrasonic fuel ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 using ...

Opinions are divided about interpretations of compression ratio limits for engines in 2026. Controversies in the new season ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

With winter in full swing, fleet owners may be thinking about what they should do to care for their diesel engines. The question on the minds of many this time of year is, “Should I let my diesel ...