Germany has recently re-opened some of it's coal mines,and they're productive and very profitable indeed.
http://www.highbeam.com/doc/1G1-54995358.html
Unlike some other countries of Europe, where a fading mining industry has led to a great decline in the mining equipment manufacturing sector, Germany has remained a world leader even though its underground mining sector has shrunk dramatically in recent years. Germany immediately springs to mind as a dominant world force in large hydraulic mining shovels and in the more specialised continuous mining equipment and conveyor systems used in its large opencast lignite mines.