New Delhi, Feb. 6 -- The Municipal Corporation of Delhi (MCD) has informed the National Green Tribunal (NGT) that 100% of the fly and bottom ash being generated at the Tehkhand Waste to Energy (WTE) plant is being recycled and used, however, at the Okhla WTE, utilisation is only between 20-40% and the remaining ash is being dumped at Tehkhand. MCD said it is imposing additional 'reject handling charges' for dumping fly ash at the landfill to create a deterrent, in compliance with the Delhi Pollution Control Committee's directions. Fly ash and bottom ash are combustion residue left behind after burning waste at WTEs. "Respondents need to explain why the ash is being dumped at the site when it can be used as a landfill in low lying areas, bri...