27 March 201526 March 2015 Revolutionary Road (materials) The cost of replacing crumbling roads will tumble, with the introduction of an Arizona Chemical additive that enables more low-cost recycled asphalt to be used
14 March 2013 Kansas State University: Researchers building stronger, greener concrete with biofuel byproducts High-lignin ash byproduct to cement can improve, helping reduce dioxid emissions from concrete production