"Such plants need lesser amount of coal and have increased capacity. Supercritical plants cause at least eight times less pollution compared to the traditional power plants."
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/maharashtra-starts-process-replace-old-thermal-plants-supercritical-ones
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/thermal-power-plants
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-electricity-board-seb
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ministry-power
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/power-industry
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy