With lower fuel cost and less emissions, many automakers and fleets are turning to compressed natural gas (CNG) as a vehicle fuel. Even though the fuel has been used in this capacity for decades, increasing prices of gasoline and growing concern for the environment has reignited interest. In this video we talk with Kathryn Clay, the executive director of the Drive Natural Gas Initiative, and Stephe Yborra, the director of market development at NGV America, about the growth, development and future of CNG in America.