Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

The Nissan VC-Turbo engine in the 2025 Rogue struggles against hybrid rivals despite its engineering achievement.

The Porsche-Hilite technology is comparatively simple, and could be offered to every automaker if and when VCR comes to market. Share on Facebook (opens in a new window) Share on X (opens in a new ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio engine which will ever be used in a production vehicle. The compression ...

Mazda unleashed its all-encompassing Skyactiv automotive technologies in 2010 to increase fuel economy with zero penalties to handling and performance. Although Skyactiv became increasingly known for ...

We have applied advanced engineering technology to design the 350 engine that Chevrolet should have built. Using a stock block, crankshaft and rods, and only a few exotic parts, you can enjoy the ...

When comparing engine specs for nearly any combustion engine automobile, we see a number of variations available with differing outputs of horsepower and torque. We often have a choice of gasoline or ...