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Clean Cities Vehicle Buyer's Guide For Consumers: Natural Gas Vehicles Printable Versi.. <br />Emissions Natural gas vehicles produce fewer emissions than <br /> gasoline or diesel fuel vehicles. According to the Natural <br /> Gas Vehicle Coalition, vehicles using natural gas can <br /> reduce emissions of carbon monoxide (CO) by <br /> approximately 70%, non-methane organic gas (NMOG) <br /> by 89%, and oxides of nitrogen (NO.) by 87%. <br /> Emissions of the principal greenhouse gas (CO2) are <br /> reduced by 20% to .30%. In addition, NGVs emit virtually <br /> no particulate matter, which has been known to harm <br /> human respiratory and cardiovascular systems and cause <br /> the haze that often surrounds urban areas. <br />Price The cost of a gasoline-gallon equivalent of CNG can <br /> compare favorably to that of gasoline, but varies <br /> depending on location. Check out the latest edition of the <br /> Alternative Fuel Price Report for regional fuel prices. <br />Domestic The United States produces approximately 87% of the <br />Production natural gas that it consumes; the remaining 13% comes <br /> from Canada. <br />Extended Some natural gas vehicle owners report service lives <br />to <br />Service Life ] <br />3 years longer than gasoline or diesel vehicles and <br /> extended time between required maintenance. <br />How Do Natural Gas Vehicles Perform Compared to Gasoline Vehicles? <br />Performance <br />Characteristic Rating Compared to Gasoline Vehicle <br />Horsepower Similar <br />Acceleration Similar <br />Cruising Speed Similar <br />Maintenance Similar/Better <br />Costs <br /> Some natural gas fleets have reported lower <br /> maintenance costs, including the ability to drive <br /> longer distances between oil changes.. <br />Range Similar/Not As Good <br /> Bi-fuel vehicles offer a driving range similar to that <br /> of gasoline vehicles. <br /> The range of dedicated natural gas vehicles is <br /> generally less than gasoline vehicles, because of the <br /> lower energy content of natural gas. Extra storage <br /> tanks can increase range, but the additional weight <br />OX3 <br />http://www,eere,energy. gov/cleanci ties/vbg/consumers/printable/cng_print, slltml 12/13/2004