Hours after Germany closed out its atomic era by turning off its last three nuclear reactors, the largest single reactor in Europe entered regular production in Finland, its operator said Sunday. The next-generation Olkiluoto 3, now producing around 14 percent of the country's electricity, is expected to remain operational for "at least the next 60 years", according to the site's operator TVO. Germany meanwhile officially ended decades of nuclear energy use by turning off its last three nuclear reactors on Saturday. The Isar 2 reactor in the southeast of the country, the Neckarwestheim facility in the southwest and Emsland in...