Fig. 1 Modeled Distribution of NOx (IMAGE) Siberian Federal University Caption This is the results of modeled distribution of NOx in a combustion chamber: a) regular boiler, kg/m3; b) three-step combustion boiler with the use of mechanically activated micro-milled coal, g/m3 Credit Alexander Dekterev Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.