ICOM manufactures Propane Vehicle Liquid Injection Systems in Bifuel and Monofuel versions for many popular fleet vehicles. Many tank sizes available. National North American Dealer Network for Installation and Service.​ ICOM North America with its partners brings over 100 years of expertise as a world class manufacturer for the Propane Vehicle industry. Our innovative, patented fuel tanks, liquid propane injection systems, and supporting products are supplied to OEMs and the aftermarkets worldwide. The ICOM JTG System is configured to North American needs and standards. We will continually work closely with our OEM Partners to bring more engine platforms to the North American market.