and proper diesel fuel additives will help with just that. If you want your Volkswagen TDI or Duramax to ferry you into the heat death of the universe, then detergents, lubricants, and stabilizers ...

the Hot Shots Secret Everyday Diesel Treatment says it'll be doing just that. It says it increases the cetane level up to seven points, and that will, in turn, give you better mileage over time. On ...