emission reduction(The act or process of limiting or restricting the discharge of pollutants or contaminants, such as by setting emission limits or by modifying the emission source)
emission reduction banking(a system for recording qualified air emission reductions for later use in bubble, offset or netting transactions (emission trading); A system for recording qualified air emission reductions for later use in bubble, offset, or netting transactions. Plant complexes that reduce emissions substantially may "bank" their "credits" or sell them to other industries)