SO₂ Emissions (thousand tons)				SO₂ Rate (lb/mmBtu)
Primary Fuel	2000	2005	2010	2019	2000	2005	2010	2019
Coal	SO₂ Emissions (thousand tons)	10,708	9,835	5,052	952	SO₂ Rate (lb/mmBtu)	1.04	0.95	0.53	0.18
Gas	SO₂ Emissions (thousand tons)	108	91	19	6	SO₂ Rate (lb/mmBtu)	0.06	0.03	0.01	0.00
Oil	SO₂ Emissions (thousand tons)	384	292	28	1	SO₂ Rate (lb/mmBtu)	0.73	0.70	0.19	0.04
Other	SO₂ Emissions (thousand tons)	1	4	22	10	SO₂ Rate (lb/mmBtu)	0.23	0.27	0.57	0.16
Total / Average	SO₂ Emissions (thousand tons)	11,201	10,222	5,120	969	SO₂ Rate (lb/mmBtu)	0.88	0.75	0.39	0.09