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.

As the war drags on, the cost to fill up your tank could be even higher. Here are some tips to help stretch your dollar ...

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

Gas prices track increases in crude oil, though usually with a lag of days or weeks as refiners pass on expenses. That makes it likely prices will continue to rise as oil prices push higher.

Nissan is recalling more than 640,000 vehicles as part of two separate recalls related to engine and gear issues, the National Highway Transportation Safety Administration said. The Japanese automaker ...

Nissan issued two recalls, affecting a total of 642,698 Rogue compact SUVs, because of separate problems with the vehicles' gears and engines that can cause a loss of power, according to the National ...

Shares of Caterpillar, the maker of mining and construction machinery, are up more than 30% since year-end, making it the biggest contributor to the Dow Jones Industrial Average. WSJ’s Jonathan Weil ...

PARIS, Feb 13 (Reuters) - Jet engine maker CFM will do its best to meet any request for additional engines from Airbus this year, over and above agreed quantities, but its priority is to meet its ...

The 6.2-liter V8 engine recall saga is far from being over and no real solution appears to be on the horizon. GM recalls nearly 600,000 trucks and SUVs for potential L87 engine failures. Dealers ...

General Motors has issued updated guidance to its dealer network with regard to the engine oil spec used for units of the 6.2L V8 L87 gasoline engine impacted by last year’s recall. In a series of new ...

Oil prices slide as investors dial back fears of a supply shock. On Saturday, Donald Trump told reporters Tehran was "seriously talking" with the U.S. Oil prices slid Monday as investors dialed back ...

SACRAMENTO — California sued the federal government Friday for approving a Texas-based company’s plans to restart two oil pipelines along the state’s coast, escalating a fight over the Trump ...