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 ...

2.Reduced engine rpm (without attending losses in net torque) tend to improve overall fuel economy and driveability. 3.Treat multi-cylinder engines as a combination of several single-cylinder engines, ...

ADVENT of engines operating at higher compression and higher speed than engines used a few years ago in automotive vehicles has necessitated refinement of all engine accessories, including the ...

Toyota makes some of the most durable trucks in the world—they’re so long-lasting, in fact, that they often go a full decade without major updates. That might change soon if an engine described in a ...

The paper is divided into three parts; the fuel problem, the selection of the most economical internal-combustion engine for adaptation to automotive purposes and the details of the development work ...

Airbus Helicopters has completed the first flight of a lightweight, high-compression engine (HCE) on an H120 helicopter technology demonstrator. The 6 November sortie of the light-single, modified ...

Modern Hemi engines, the iconic powerplants from Chrysler, have sparked a debate among owners about their fuel needs.

While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

Thomas has spent two years working in the auto journalism industry, contributing to a UK-based newspaper and writing for Euronewsweek. A full-time writer and lifelong engineering enthusiast, he now ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

Infiniti has radically redesigned its QX50 compact crossover by turning it into a more conventional, yet very high-tech showcase for the luxury brand. The first-generation QX50 was unique in that it ...