Learning how to build and understand a mini engine is an exciting journey for anyone interested in mechanics. A mini engine, ...

Use a soft-bristle brush or cloth to gently scrub the interior of the base. Sprinkle the cloth with more baking soda if there are stuck-on particles. Pour out the water, add some cool water to rinse, ...

Abstract: Small-size two-stroke internal combustion engines are mostly employed as single-mode power sources. This characteristic makes it possible to improve fuel efficiency by modifying of their ...

The Air Force awarded Boeing a $2 billion contract to start replacing the first two Stratofortress's engines with new Rolls-Royce engines. (Tech. Sgt. Codie Trimble/Air Force) In December the Air ...

The new contract covers the Post-Critical Design Review phase of the B-52 Commercial Engine Replacement Program, which will replace the TF33 engines with the new F130s. The U.S. Department of War ...

iOS 26.2 has arrived just in time for the weekend. While the update isn’t a major overhaul, it brings numerous changes and refinements, including more Liquid Glass tweaks. More importantly, iOS 26.2 ...

Everllence’s medium-speed, dual-fuel model 21/31 engine was sucessful in tests at all load points Danish engine maker Everllence has undertaken successful testing of ethanol as a fuel at all load ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

It looks like GM is working on modernising two-stroke engines by tackling their emissions problem. This could open a whole new chapter for internal combustion. It’s been a while since two-stroke ...

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...