Productivity up, energy consumption down in portland cement milling

Sources: Portland Cement Association, Skokie, Ill.; CP staff

PCA’s latest U.S. Labor-Energy Input Survey shows the amount of energy required to produce one ton of portland cement—4.4 million Btu, on average—dropped 1.1 percent in 2014 from previous levels, and equates to domestic plants’ most energy efficient year on record.

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