Cover story: Use of hazardous waste Handling of waste; be it hazardous, industrial or domestic was never so  challenging in the earlier years. However cement industry offers an easy solution with minimal cost that needs to be be utilised fully. One way forward is the promotion of large-scale co-processing in the cement industry, and to create a more conducive regulatory environment.   Feature: Energy Efficiency Cement industry is an energy-intensive industry and third largest consumer of coal after power and steel. The industry accounts for 10 percent of coal and 6 percent of electrical energy consumed by the Indian industrial sector.