Three years ago, Washington state turned down a project to build a coal terminal that would allow coal from neighboring states to be sent to Asia. And after multiple courts have sided with Washington on the issue, the coal-producing states claim the decision is effectively an embargo on their coal, and want the Supreme Court to weigh in. POLITICO’s Annie Snider explains. Anthony Adragna is an energy reporter for POLITICO and host of POLITICO Energy. Annie Snider is an energy reporter for POLITICO. Carlos Prieto is a Politico podcast producer. Jenny Ament is the senior producer of POLITICO audio. Irene Noguchi is the executive producer of POLITICO audio.