Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That is why it’s imperative to know whether your engine’s ...

In this video, we're doing a detailed comparison of petrol, or spark ignition, and diesel, or compression ignition engines.

One of the easiest ways to test an engine's health is by checking its compression. Testing compression isn't something the average muscle car owner would do every year, but it is a useful tool to ...

Infiniti showed off a slightly updated Q50 yesterday at the Paris Motor Show, but nobody gave a damn because right next to it was this: the first ever production-ready variable compression-ratio ...

If your vehicle has been running roughly or seems to be losing power, it's possible that there's a lack of pressure in one or more of the cylinders. Without enough pressure, the fuel/air mixture doesn ...

Gasoline is more refined than diesel, and ignites more easily and quicker, resulting in more power at the cost of more fuel. Diesel engines have higher compression ratios, combust without spark ...

Car manufacturers are hard at work, coming up with more efficient powertrains. While electrification seems to be the focal point, there are plenty of companies still developing ways to make the ...

Toyota Patent Suggests a High-Compression Diesel Truck Engine May Be in the Works With Toyota shifting away from V8s, this could be its answer for smaller displacement and high torque figures.

Infiniti Variable Compression Turbo Engine, outside view The new variable-compression engine doesn't spell the end of the V6 at Infiniti, however.

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 ...