Natural Gas Vehicle Institute (NGVi) is North America's leading provider of technical consulting and training on natural gas vehicles and fueling technologies. Established in 1989, NGVi has worked with hundreds of companies and government agencies to help successfully integrate natural gas into their transportation mix. To date, NGVi has successfully trained more than 22,000 students in the United States and worldwide and is currently the only ASE-accredited training provider in the natural gas vehicle industry.