Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...

A Pennsylvania couple says Kia wrongly denied a warranty claim after their car's engine failed at 80,000 miles.

Cylinder wall scoring is a form of progressive mechanical failure where the lubricant film between the piston rings and the ...

General Motors is discovering that a few digits on an oil jug can decide whether a modern V8 earns lifelong loyalty or a ...

Semi-synthetic motor oils use a combination of mineral and man-made oil, while synthetic blends tend to have fewer impurities ...

US has moved to assert strict control over production and sale of Venezuelan oil since attacking the country this month.

NHTSA has reopened a recall query into nearly 600,000 GM trucks and SUVs with 6.2L V8 engines after reports of engine ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

A 2025 Honda CR-V Hybrid with only 4,200 miles is leaking oil and vibrating? One owner is already "ready to trade it in" ...

The U.S. has seized seven Venezuelan-linked oil tankers since Dec. 10, 2025. Six of the seizures have occurred in the ...

GM Authority poll shows owners overwhelmingly want thicker 5W-30 or 0W-40 oil for next-gen V8s, citing durability over thin ...