Diesel Trucks

Just as the power industry turned toward lower priced natural gas and away from dirtier coal, there are signs that trucks and trains are looking to lower priced liquefied natural gas (LNG) to replace diesel-powered vehicles, but there are challenges.
Apr 29, 2013   The New York Times - Energy & Environment
At a crucial two-day meeting, the California Air Resources Board may adopt, reject or modify two separate, landmark, controversial plans - one on climate change, the other on diesel emissions from trucks and buses.
Dec 11, 2008   San Francisco Chronicle