United Parcel Service (UPS)

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
Freight rail is booming throughout the U.S. While shipping oil from North Dakota's Bakken shale basin has been a huge factor in the resurgence, Betsy Morris digs deeper and analyzes the surprising competition between road and rail.
Mar 28, 2013   The Wall Street Journal