Table 7b. Offsite-Produced Fuel Consumption per Ton of Steel, 1998, 2002, and 2006
(1000 Btu per ton)

	MECS Survey Years
Iron and Steel Mills (NAICS1331111)	1998 2	2002 3	20063
Total	NA	11,886	9,210
Electricity	NA	2,315	2,152
Natural Gas	NA	4,855	4,009
Coal	NA	450	172
Residual Fuel	NA	13	234
Coke and Breeze	NA	3,916	2,287
Notes:1. The North American Industry Classification System (NAICS) has replaced the Standard Industrial Classification (SIC) system. NAICS 331111 includes steel works, blast furnaces (including coke ovens), and rolling mills. 2. 1998 data unavailable due to disclosure avoidance procedures in place at the time. 3. Denominators represent the entire steel industry, not those based mainly on electric, natural gas, residual fuel oil, coal or coke. NA=Not available.. Sources: Energy Information Administration, Manufacturing Energy Consumption Surveys 1998, 2002, and 2006; U.S. Department of Commerce, Bureau of the Census, Current Industrial Report, Steel Mill Products,1998, 2003, and 2007.