Even tried-and-true diesel motors need proper care and feeding to keep clattering along, and proper diesel fuel additives will help with just that. If you want your Volkswagen TDI or Duramax to ferry ...

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 ...

We may receive a commission on purchases made from links. Engine oil serves a number of purposes in one's vehicle. It forms a layer of protection on the metal parts of the engine as it warms up while ...

We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are necessary to maintain the life and performance of their vehicle. For ...

We may receive a commission on purchases made from links. Drivers trying to get the most performance out of their diesel trucks — and there are many things you can do — will sometimes resort to fuel ...