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.

The cost of vehicle maintenance is rising, and even a simple "check engine" light can lead to a diagnostic fee that riva ...

With over 20 years of experience specializing in maintaining and overhauling various car models, automotive engineer Le Hong ...

The Ducati Panigale V2S represents a shift in philosophy for the Italian marque, emphasizing accessible performance and ...

While the E-Clutch system sounds complicated, the Rebel is an overall simple machine. It is powered by a 286cc liquid-cooled single-cylinder four-stroke engine with fuel injection and a six-speed ...

Research in nanophotonics is opening conceptually new paths to address the grand challenge of using light to generate chemical fuels. This is the challenge of direct synthesis of energy-dense chemical ...

From the April 1991 issue of Car and Driver. As any show-biz entertainer or Honda executive will tell you, it's a bitch to fol­low a Legend. Honda's butterflies are understand­able. The ...

A dead battery rarely acts alone. When a vehicle refuses to start, most people blame freezing temperatures or an old battery and move on. But a failing alternator often sits behind the scenes, quietly ...

CAPE CANAVERAL, Fla. (AP) — NASA began another practice launch countdown Tuesday for its first moonshot in decades with astronauts after making repairs to fix dangerous fuel leaks that already have ...

Add Yahoo as a preferred source to see more of our stories on Google. This photo provided by NASA shows a full moon shining over NASA’s Space Launch System and Orion spacecraft, atop the mobile ...

CAPE CANAVERAL, Fla. (AP) — NASA began another practice launch countdown Tuesday for its first moonshot in decades with astronauts after making repairs to fix dangerous fuel leaks that already have ...