Although low fuel prices have driven PJM Interconnection's power plant fleet to use more natural gas over the last two years, coal-fired generation and nuclear generation "still dominate the region's fuel mix," UtilityDive.com reports. PJM's coal-fired generation dropped from 60 percent in 2008 to approximately "45 percent of the fuel mix so far this year." Despite low gas prices, "cheap coal from the Illinois Basin" has kept natural gas use in PJM a "small portion of overall use," the article said. For more, read the full story.