High-mileage oil contains additives that can help condition seals and reduce minor oil leaks in older engines. An automotive ...

We found the best car interior cleaners for removing dirt, grime, stains, and spills from dashboards, upholstery, carpets, ...

Editor’s Note: August 24, 2026: We are in the process of updating this guide and will share our findings once we test the Westinghouse WPX3400, a heavy duty gas-powered pressure washer, and further ...

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...

Instead of throwing away used engine oil, the team sets out to answer an unusual question with a hands-on garage experiment.

Engine degreasers is great for cleaning under the hood, but if it gets on the paint, will it damage it? Here's what you need to know before using it.

Hypoid gear oil is specifically formulated to withstand the pressures on steel gears in hypoid gearsets, which differs from ...

You're probably familiar with common motor oil viscosities like 5W-30 or 10W-40, but some engines use motor oil that's way ...

A new Mazda patent describes an EGR system built for the rotary engine, tackling the emissions weakness that ended the RX-8’s production run. The patent, filed with the US Patent and Trademark Office ...