About diesel+ a unique product with all the necessary documents and approvals diesel+ is vegetable oil based additive, does not contain any chemical 100% biodegradable, dissolves completely in minutes, and leaves zero residue in your fuel tank, fuel injection system or engine. diesel+ cleans the entire fuel system. The tank, fuel lines, fuel chamber, valves, nozzles, & atomisers. diesel's ingredients will not harm any motor or engine. It assists your engine with a cleaner, more powerful, and fuel efficient combustion process. diesel+ is supported by scientific data and tested by independent, leading automotive experts. This data supports all claims of enhanced mileage performance for diesel engines. Safe for all engines & environment friendly advantages on using diesel+ enhances engine performance increases fuel efficiency reduces harmful pollution cleans the entire fuel system reduces maintenance cost no chemicals & non toxic saving 12% - 20 % 100% active content 100% biodegradable