Tag Archives: single-source petition

The EPA ruling potentially has broad implications for the future of electric vehicles in the U.S. since half of the electricity produced comes from burning coal – a notorious source of SO2. The two Portland generating units covered under this rule are large sources of SO2 emissions in the region since they are about 50 years old.

This is a national problem. Currently 44% of coal-fired units in the country do not have advanced pollution controls, such as scrubbers or catalysts, installed to limit emissions. Utilities and coal companies are and have been vigorously fighting efforts to solve the problem. Continue reading →