The term Atkinson cycle goes around a lot when talking about car engines, and it all started as a more thermally efficient version of the Otto cycle engine.

The days of internal combustion engines are numbered. Unfortunately, the exact number is constantly shifting, with regulators moving the goalposts so often that manufacturers are left scrambling to ...

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 ...

SPRINGFIELD — ESG Clean Energy, a carbon-capture startup with technology from the Scuderi engine, is winding toward bankruptcy liquidation. It’s up to a government-appointed lawyer to get as much as ...

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 ...

Regarding Peggy Noonan’s “Brace Yourself for the AI Tsunami” (Declarations, Feb. 14): I’m a regular reader of Ms. Noonan’s column and appreciate her commentary. This piece, however, struck me as more ...

A presoak cycle setting allows the laundry load to soak in water and detergent for 15 minutes to 8 hours. Presoaking heavily soiled or stained laundry can result in cleaner results. Always read ...

Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

Adaptive cycle engines are specially designed to alternate between efficiency and raw power—extending an aircraft’s range without compromising on speed during engagements. The modern fighter jet is ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...