Gasoline and Diesel Fuel Additive, Research and Development,

"Tenacious® Gasoline and Diesel Fuel Additive - Improves engine performance better than EPA Highway MPG values."

Connected Spirit LLP is a Research and Development company bringing Tenacious® Fuel Additive to the market for gasoline and diesel light-duty vehicles, construction, locomotive, recreational, marine combustion engines, and heavy-duty combustion engines. It can be purchased in single tank usage (30 gallon) and storage tanks (500 - 25,000 gallon tank quantity). WAWF/PIEE/IRAPT.

Our mission

Improve combustion engine efficiency, lower air pollutant elements, and help close the ozone hole for generations to come.