Data behind a new National Ready Mixed Concrete Association life cycle assessment report for cast-in-place concrete shows how ready mixed producers, through more efficient use of portland cement, have cut the respective carbon footprints of 4,000- and 8,000-psi orders by 13 percent and 20 percent since 2014. Armed with results from a survey of 155 member producers operating 1,954 ready mixed plants, the association analyzed data on material throughput and other metrics reflecting net energy consumption in slabs or structures.
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