|1980 China||1990 China||Advanced level abroad|
|Comparable energy consumption per ton of steel (tce/t)||1.30||1.03||0.6 (Italy)|
|Energy consumption per ton of synthetic ammonia (tce/t)||1.2|
|Energy consumption per ton of cement clinker (tce/t)||206.5||185.4||108.4 (Japan)|
|Net coal consumption of coal-fired plants (gce/kWh)||448||427||327 (ex USSR)|
|Thermal efficiency of industrial boilers (%)||60-70||80-85|
Table 2: Comparison of unit energy consumption in some energy-intensive industries and devices.