Contractors now may replace all type II and type V cement with type IL cement (portland limestone cement) in concrete mixes that are used in Caltrans projects. “Using low-carbon cement can cut ...

As a consequence, they save approximately one ton of CO₂ emissions for each ton of portland cement they replace, says Savary. Despite his considerable progress, it’s still an uphill battle for Savary.

Caltrans has approved the use of low-carbon cement following testing by the Oregon State University College of Engineering. Caltrans is the agency responsible for more than 50,000 miles of highways ...

Scientists estimate that up to 8% of global greenhouse gas emissions come from cement production. But lower-carbon cement mixes have now been developed. So, several departments at the city of Portland ...