Made with no alcohol or harmful solvents, Diesel Treat safely removes water and prevents gelling in even the coldest climates. Safe, effective, and loaded with the latest and greatest performance-enhancing technology, Diesel Treat is designed to solve the problems created by today’s ULSD fuel. It provides lubricity, prevents deposits, and eliminates smoking and rough idle. Warranty safe, it is effective in all diesel and biodiesel fuels, including home heating oil. From truckers to farmers, pick-ups to diesel automobiles, Howes Diesel Treat is the most trusted additive on the market.