Slovakia stopped production at its last coal-fired power plant this week. Its electricity will now come almost entirely from nuclear and renewable sources. The Vojany power station, located in the Michalovce district in eastern Slovakia, opened in 1966. Slovenské elektrárne, the company that owns the plant, announced that all of the electricity generated in the Eastern European country will be free of direct CO2 as of June 2024. Slovakia originally slated its coal phaseout for 2030 but has now expedited this to mid-2024, when it will join Belgium, Austria, Sweden and Portugal as a coal-free co…