Natural-gas powered cars: So near, yet so far away

By Jason Kosena THE COLORADO STATESMAN They’re called the cleanest internal-combustion vehicles on Earth by the Environmental Protection Agency. Compressed natural gas vehicles produce 97 percent less carbon monoxide and 25 percent less carbon dioxide than traditional automobiles. CNGs produce few toxic or carcinogenic pollutants, little to no particulate matter and no evaporative emissions. A […]

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