STAR EnviroTech offers their exclusive EVAP-approved diagnostic Smoke Technology, which was developed in collaboration with Ford, GM and Chrysler. The company also states that their equipment is on the recommend or required equipment list of most automakers. This technology uses a safer, nitrogen-based smoke and dye to isolate and pinpoint EVAP system leaks. More information and a list of STAR EVAP-approved licensees can be found at www.STAREnviroTech.com