T. Boone's Got a Plan

Texas oilman T. Boone Pickens is backing a bipartisan bill in the House of Representatives to provide tax incentives for heavy-duty truck manufacturers to begin building vehicles that run on natural gas.  You can learn more about it here, where Joe Nocera of the New York Times advocates for the legislation.  As Nocera points out, big rigs consume 23% of the fuel used for transportation in the US, and natural gas supplies in this country are projected to last for a century.  Thoughts?