The new Pickens Plan calls for Congress to pass legislation that will incentivize the conversion of 18-wheel trucks to compressed natural gas (CNG).

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Including powering our vehicles, there are about 14 million CNG vehicles on the road now worldwide most of them bi-fuel, they can use petroleum or CNG(compressed natural gas) interchangeably.

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For example, the BBC reported in 2007 that all cars manufactured in Iran were mandated to have dual-fuel capacity to run on either gasoline or compressed natural gas (CNG).

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