<ul data-eligibleForWebStory="false">MoEFCC notification eases sulphur emission rules for most coal-fired power plants, cutting costs.Flue Gas Desulfurisation debates ongoing to control sulphur dioxide emissions from coal plants.Committee studied effectiveness of standards, recommends exemptions due to various factors.Key point from studies is FGD fitment not necessary for NAAQ standards compliance.Changes aim to lower electricity costs and balance industry needs with public health.