Brown coal mining limits in North Bohemia in the case of Bílina had been under preparation for a long time with the cooperation and agreement of the surrounding communities. It would ensure work for a further generation of people from 2030 to 2055 and would guarantee heating for four million people dependent on lignite-fired central heating systems, he said. According to Environment Minister Brabec, it would have to be clear before any possible lifting of the limits that there was a need for the coal. "We have to be sure that we really need the coal, when we will need it and what we need it for.
Cannel coal the Drake Oil Well in 1859, made petroleum a cheaper raw material for making kerosene and drove the American oil shale industry out of business. Cannel coal is brown to black oil shale. It comes from resins, spores, waxes, and cutinaceous and corky materials of terrestrial vascular plants, in part from Lycopsid (scale tree). Cannel coal was accumulated in ponds and shallow lakes in peat-forming swamps and bogs of the Carboniferous age under oxygen-deficient conditions. Thus cannel coal seams are shallow and often found above other deposits, while the coal itself, being rich in oils, burns long, with a bright