During America’s last election cycle, one of President Trump’s key campaign promises was to revive the dying coal sector and bring back coal jobs. But even intense lobbying by the president has done little to stem the tide as coal plants continue to drop out at a steady clip. The recent retirement of TVA’s giant 1,150 megawatt-Paradise 3 coal plant , despite Trump’s impassioned pleas, serves as a grim reminder that coal’s best days are behind it, with the U.S. Department of Energy acknowledging as much in its latest report. The so-called natural gas bridge has lately become the bane of coal. Now, next-generation perovskite solar cells are likely to not only put the final nail in the coal’s coffin but also to twist the knife into a suffering oil and gas industry. Back in May, we reported that the U.S. Department of Energy’s (DOE’s) National Renewable Energy Laboratory […]