In this article, published in India's Cement in Sustainability Next Magazine July edition, Dr. S. S. Krishan of the Center for Study of Science, Technology and Policy (CSTEP) reviews the PAT mechanism and the cement industry. Approximately 85 plants have participated in the PAT mechanism in the first cycle, which is due for assessment in 2014-15. The annual energy savings is estimated at about 0.8 Mtoe (Million tonnes of oil equivalent) and represents a 4.793% improvement in energy efficiency of the participating units.