Coal upgrading technology Coal upgrading technology Coal upgrading technology refers to a class of technologies developed to remove moisture and certain pollutants from low rank coals such as sub-Bituminous coal and lignite (brown coal) and raise their calorific values. Companies located in Australia, Germany and the United States are the principal drivers of the research, development and commercialisation of these technologies. Around 30 nations collectively operate more than 1,400 brown coal-fired power stations around the world. Brown coal power stations that cannot economically dewater brown coal are inefficient and cause of high levels of carbon emissions. High emitting power stations, notably the Hazelwood
What Cheer, Iowa What Cheer, Iowa What Cheer (pronounced 'WOT-cheer') is a city in Keokuk County, Iowa, United States. It is a former coal town, and from the 1870s to the early 1900s was one of the major coal-producing centers of Iowa. Its greatest recorded population was 3,246, in the 1890 census. Since the 1910s, the population has fallen to 646 in the 2010 census. What Cheer was founded in 1865 as Petersburg, named after Peter Britton, its founder. This name was rejected by the Post Office, forcing a change of name. Joseph Andrews, a major and veteran of the American Civil War,