10 Years Experience with Co-firing Straw and Coal as Main Fuels together with Different Types of Biomasses in a CFB Boiler in Grena, Denmark;Designs of Large-scale Circulating Fluidised Bed Boilers;Feedback of Petroleum Coke Combustion and Fuel Flexibility at the Provence 250 MWe CFB;Taking CFB into the supercritical world;The Norrkoping and Sogama 75 MW CFB Plants - A Design for Burning a Variety of Waste……