Demand for compressed natural gas ( CNG ) from commercial vehicle fleets has doubled over the past year , according to CNG , which sold, delivered or used two gasoline-gallon equivalents of the fuel in the past year . The company is working with municipalities and other local agencies in Charlotte , Nashville , Wilmington and Anderson to expand their use of Piedmont Natural Gas in airport parking shuttles and public transit buses. It's also providing natural gas to private refuelling stations for two large corporate fleets in Spartanburg and Wilmington , among other projects. Spanish electric utility Endesa has opened the first public CNG station for fast-fill refuelling in the Autonomous Port of Paris . CNG also costs less than gasoline and diesel, and is currently priced at US$1.46 in North Carolina for the energy equivalent of one gallon of gasoline. The station is open 24/7 and covers 4,000 sq m with two dispensers, with plans to increase the number to four . Endesa is endeavouring to offer natural gas as an alternative fuel for heavy load vehicles to help reduce urban contamination levels.
Demand for compressed natural gas ( CNG ) from commercial vehicle fleets has doubled over the past year , according to CNG , which sold, delivered or used two gasoline-gallon equivalents of the fuel in the past year . The company is working with municipalities and other local agencies in Charlotte , Nashville , Wilmington and Anderson to expand their use of Piedmont Natural Gas in airport parking shuttles and public transit buses. It's also providing natural gas to private refuelling stations for two large corporate fleets in Spartanburg and Wilmington , among other projects. Spanish electric utility Endesa has opened the first public CNG station for fast-fill refuelling in the Autonomous Port of Paris . The station is open 24/7 and covers 4,000 sq m with two dispensers, with plans to increase the number to four . Endesa is endeavouring to offer natural gas as an alternative fuel for heavy load vehicles to help reduce urban contamination levels.