Refined coal Refined coal Refined coal is the product of the application of a coal upgrading technology that removes moisture and certain pollutants from lower-rank coals such as sub-bituminous and lignite (brown) coals and raising their calorific values. Coal refining or upgrading technologies are typically pre-combustion treatments and/or processes that alter the characteristics of a coal before it is burned. The goals of pre-combustion coal upgrading technologies are to increase efficiency and reduce emissions when coal is burned. Depending on the situation, pre-combustion technology can be used in place of or as a supplement to post-combustion technologies to control emissions from coal-fueled
What Have We Learned, Charlie Brown? we learned, Charlie Brown?". The scene flashes back to him and Sally. She then tells him that he is pasting the pictures upside down. The special won a Peabody Award for "distinguished achievement and meritorious public service" in broadcasting. Schulz would later say of the acclaim, The special was released on VHS in 1996. The special is available for purchase on iTunes together with "You're Not Elected, Charlie Brown" and "He's a Bully, Charlie Brown", and is now available on DVD in the "Peanuts Emmy Honored Collection". What Have We Learned, Charlie Brown? What Have We Learned, Charlie Brown? A