Additives represent 15 to 20 percent of a gallon of oil with the balance being high-quality base oil. Additive packages play a key role in helping to keep an engine clean and protected from varnish ...

Snake oil. Mouse milk. Whiffle dust. Take your pick — few products have earned such unflattering sobriquets as aftermarket motor-oil additives. And for the very good reason that these promised ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

Vehicles, like every other mechanical body of work that has ever been put together, require regular maintenance to stay in optimal shape. The magic is in the boring details; Routine procedures like ...

Amsoil has a complete line of diesel engine synthetic oils. The line features the Signature Series Max-Duty Synthetic in 5W-40, 5W-30, 10W-30, 15W-40, and 0W-40 grades. The line also includes ...

This image taken with an electron microscope shows that tiny carbon spheres added to motor oil reduce friction and wear typically seen in engines by as much as 25 percent, suggesting a similar ...

It's easy for the uninitiated to think that oil is oil, no matter what type of engine it's going into. After all, it's only meant to lubricate the internal components of an engine. Well, all oils ...

If you own a diesel car, you'd probably know that getting its oil changed isn't as quick or affordable as getting the oil changed on your friend's gasoline car or the one you've owned before. It is a ...

(Nanowerk News) Tiny, perfectly smooth carbon spheres added to motor oil have been shown to reduce friction and wear typically seen in engines by as much as 25 percent, suggesting a similar ...