E-ZOIL manufactures a targeted line of diesel fuel additives, injector cleaners, and lubricity treatments designed for the demands of heavy-duty diesel engines. Their products address common issues in modern ultra-low sulfur diesel (ULSD) fuels, including reduced lubricity, injector deposits, and cold-weather gelling. For Peterbilt operators looking to protect PACCAR MX or Cummins X15 fuel systems and extend injector service life, E-ZOIL treatments offer a straightforward, cost-effective maintenance solution.