Total shipments of portland and blended cement, including imports, in the United States and Puerto Rico in November 2025 were an estimated 7.86 million metric tons (Mt) compared with 7.84 Mt in November 2024, according to the most recent USGS Mineral Industry Survey. Shipments for the year through November totaled an estimated 94.6 Mt, a 1.9% decrease from those for…
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PCA: Portland-Limestone Cement Now Permitted by All State DOTs
With the recent approval by the Connecticut Department of Transportation, portland-limestone cement (PLC) is now universally accepted by all 50 states and the District of Columbia.
Read MoreHeidelberg Materials Delta Plant Transitions to PLC Production
The Heidelberg Materials cement plant in Delta, British Columbia, Canada, recently switched to producing EcoCem portland-limestone cement (PLC). The product contains up to 15% limestone and generates approximately 10% less CO₂ compared to other portland cements.
Read MoreLehigh Cement Plant Transitions to EcoCem
The Lehigh Cement plant in Union Bridge, Md. will see primary output shift from ordinary portland cement to the branded EcoCem portland-limestone cement –clinker + up to 10% finely graded limestone. Union Bridge is presently the producer’s largest plant in North America; the switch to the branded Type IL cement positions the mill to avoid approximately 126,000 tons of carbon…
Read MoreLafarge Canada’s Brookfield Shifts to OneCem
Lafarge Canada continues to advance its journey to net zero with the full transformation of its Brookfield cement plant’s production to a greener portfolio.
Read MoreTitan America Makes the Switch to PLC
Titan America has fully converted its cement plants to the production of Type IL portland-limestone cement, making it the first U.S.-based cement company to do so.
Read MoreContinental Cement Produces Lowest Carbon PLC
As part of an innovative research project for the Minnesota Department of Transportation (MnDOT) and National Road Research Alliance, Continental Cement Co., a subsidiary of Summit Materials, produced a 20% portland-limestone cement (PLC) – the lowest carbon PLC to date.
Read MoreSummit Continues Decarbonization Push with Hannibal Transition
Summit Materials recently converted 100% of the production at its Hannibal, Mo., plant, which is operated by Continental Cement Co., to portland-limestone cement (PLC).
Read MoreLehigh Cement Moves Largest Plant to EcoCem PLC
Lehigh Hanson said its Lehigh Cement plant in Union Bridge, Md., will fully transition from producing ordinary portland cement to EcoCem PLC as its primary product by no later than January 2023.
Read MoreNevada DOT Joins PLC Movement
The Nevada Department of Transportation (NDOT) is the latest state agency to approve the use of portland-limestone cement (PLC) on new highway construction projects in an effort to reduce its carbon footprint, reported local media.
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