GFI Controls Systems (formerly know as TeleflexGFI) develops and globally sells systems and components that allow internal combustion engines to operate on alternative fuels such as propane (LPG) and natural gas (CNG). The company has over 30 years of experience in the field of alternative fuels and has been the preferred supplier to many automotive and industrial manufacturers and after market customers. The recent acquisition of TeleflexGFI by IMPCO Technologies has resulted in the company now being one of the world-market leaders in the field of alternative fuel systems.