U.S. ⁠average ⁠retail diesel prices crossed $5 a ⁠gallon for only the second time ever on Monday as ​the war in the Middle East squeezes supplies of the industrial fuel, according to fuel ‌markets ...

"Lower-inflated tyres will increase the resistance on the road, so properly inflated, the vehicle is going to drive a little ...

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.

Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68 ...

Both gasoline-burning engines and diesel engines produce power through a process of internal combustion. However, the latter are usually larger, louder, and often dirtier. While many people may not ...

Not all diesel is created equal. Like gasoline, it comes in various grades, and choosing the right one is important. But which should you pick?

Filling up a car with gas is second nature for most drivers. But what is not as well known is how dirty a car's fuel system can get over time. If you use low-quality gas without extra fuel additives ...

Filling up a car with gas is second nature for most drivers. But what is not as well known is how dirty a car's fuel system can get over time. If you use low quality gas without extra fuel additives ...