Record supplies of natural gas exist in the U.S., and now a major natural gas developer plans to increase the number of truck stops offering liquid natural gas to help boost its use. Fleets of buses, taxis and garbage trucks have dominated the growth of natural gas in the U.S., but only one natural gas car, Honda Civic GX, is commercially produced here. John O’Dell of Edmunds.com says, “You have to have the infrastructure out there to convince people to buy natural gas cars.”