The reason is lower fuel costs for power generation, which increasingly is being fueled by natural gas. (energytomorrow.org)
With the benchmark price having fallen 86 % from its peak in 2006, coal generators, with their much lower fuel costs, have little trouble competing with gas. (powermag.com)
Even though lower fuel costs make shipping by trucks more attractive, the industry has a large shortage of drivers which pushes labor costs up. (ammdividendletter.com)