“…4 Many studies have analysed the decline of the U.S. coal sector (e.g. Coglianese, Gerarden, & Stock, 2017;Culver & Hong, 2016;Houser, Bordoff, & Marsters, 2017;Kok, 2017;Schlissel, Sanzillo, & Feaster, 2018;Sussams & Grant, 2015;U.S. DoE, 2017).…”