FuelGuard is a fuel restoration, tank cleaning and corrosion abatement company. It was created in response to the ever-increa ... sing problems associated with poor fuel quality and corrosion predominately associated with Microbial Influenced Corrosion. Today’s fuels have a short lifespan compared to the fuels of ten years ago. Diesel’s shelf life is thirty days. FuelGuard’s process was developed to help the fuel system owner extend the life of the fuel and maintain the fuel system. read more