Dry weather in parts of the Midwest have contributed to unusually low river water levels, grounding some barges and requiring emergency dredging, with other waterways affected.
The U.S. General Services Administration has issued an RFI as part of a fact-finding mission to help establish federal agency procurement
preferences for construction materials and goods that contain less embodied
carbon.
Startups and more established suppliers of products that reduce the carbon footprint of concrete are developing systems to make the product more sustainable.
By eliminating "noise" of unwanted readings, new sensor device developed at the University of Birmingham is more accurate and up to 10 times faster than current instruments, its developers claim.
The new T7X model eliminates the diesel engine and the entire hydraulics system, pointing the way toward a future of fully electrified heavy equipment.