Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

A car that hesitates when the accelerator is pressed is usually experiencing a fuel delivery problem, an ignition issue, or a sensor fault disrupting the engine management system’s air-fuel ...

To accommodate the hydrogen mixture, engineers adjusted the fuel injection timing and carefully controlled the air-to-fuel ratio inside the combustion chamber. Hydrogen ignites more easily than ...

An engine depends on perfect timing the same way a symphony depends on a conductor. Every valve opens at the exact moment it should, every piston moves in perfect rhythm, and everything stays ...

Audi marks 50 years of its five-cylinder engine with the RS3 Competition Limited, just 750 units, 400 hp, coilover suspension, and a potential farewell to an icon.

If you do what I do long enough, you learn to recognize a new vehicle that is going to be a game-changer for a car company. I believe I have one of those this week in the all-new, not ...

Trucking keeps the world moving by delivering goods every day of the year. Drivers spend long hours on the road to make sure ...

More turbo boost pressure can create a bigger boom for your engine, but not every block will be able to handle that pressure ...

F1's new cars failed to deliver on a painful debut as Lando Norris and Co. raged at the driving experience - ESPN's Nate ...

Formula One cars generate more than 1.1 million data points every second, streaming telemetry from hundreds of sensors as drivers battle it out around the circuit.

Snow and jet engines have a complicated relationship. On one hand, winter operations in many countries, including the US, ...

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.