Rennsli has engineered a revolutionary technology that produces a more complete and consistent combustion process. A more complete combustion process will provide increased power and performance, reduced emmissions, and reduced engine wear. This revolutionary fuel treatment has gone through multiple iterations of development based on feedback, case studies and testing in real world environments since the 1980's. Rennsli has been approved according to the highest standards of Federal Regulations, and is registered with the EPA. The Rennsli products are effective in all types of liquid fuels. In nearly 30 years of use, there hasn't been a single case of engine damage or wear caused by our product. We are committed to helping our customers realize a new level of performance and value from every drop of fuel they use. Unlike common fuel additives, we can prove that the Rennsli technology will create measurable and true results for you on your equipment. Rennsli current sells product all over the world to the mining, energy production, trucking, and heavy machinery.