Sentences with phrase «so2 emissions permits»

With a scrubber in place, a plant using high - sulfur coal can reduce its need to buy and surrender SO2 emissions permits by 90 % or more compared to a plant using the same fuel without a scrubber, making Illinois Basin coal much more competitive, especially against Central Appalachia which previously could rely on its low sulfur content as a competitive advantage.

Not exact matches

In the 1980s, tradable - permit systems were used to accomplish the phasedown of lead in gasoline -(at a savings of about $ 250 million per year), and to facilitate the phaseout of ozone - depleting chloroflourocarbons (CFCs); and in the 1990's, tradable permits were used to implement stricter air pollution controls in the Los Angeles metropolitan region, and — most important of all — a cap - and - trade system was adopted to reduce sulfur dioxide (SO2) emissions and consequent acid rain by 50 percent under the Clean Air Act amendments of 1990 (saving about $ 1 billion per year in abatement costs).

Ellerman, A.D., 2002: Designing a tradeable permit system to control SO2 emissions in China: Principles and practice.