Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.

What makes a diesel engine different to a regular gas engine, and is one better than the other?

Head of Race Team Garage Operations and Heritage for the Mercedes-AMG PETRONAS F1 Team Matt Deane joins WIRED to answer the internet's burning questions about being a Formula One lead mechanic.

Each occupant of a turbine-powered aircraft is assumed to weigh 200 lb., thus allowing for stowed luggage and carry-on items. In the case of piston-engine airplanes, we assume each occupant weighs 170 ...

Every year, Consumer Reports names its 10 Top Picks—those cars, SUVs, and trucks that excel in our tests and member surveys. These are exceptional models that are easy for us to recommend, and they ...

The Australian market hasn’t truly revolved around a sedan since I was a kid. These days it’s all about SUVs, and anything ...

Possibly one of the funkiest medium SUVs on the market at the moment, does ...

From the Fox Body Mustang and C4 Corvette to the Buick Roadmaster wagon and Mercury Marauder, these ten American classics still cost under $20,000 in good condition. Each offers usable performance, ...

The US will waive sanctions on certain countries to reduce oil prices, Donald Trump has said. The president did not say which countries would be given sanctions relief, but Reuters previously reported ...