Greenfoot Global, based in Henderson, Nevada, markets EnviroTabs®, a product that it claims can help reduce harmful emissions and improve fuel efficiency.
The company website describes EnviroTabs® as “an organometallic metal conditioner that acts as a burn rate modifier which catalyzes fuel.” The product is a tablet that is put into a vehicle’s fuel tank before filling up. EnviroTabs® is sold in a 10-tablet pouch for $24.95.