Fly ash generated by coal-fired power stations is an environmental headache, creating groundwater and air pollution from vast landfills and ash dams. Some of the waste product can be repurposed into ...

CALEDONIA - CalStar Cement, the new fly-ash-to-bricks plant, will be unveiled and go into production Jan. 11. CalStar's grand opening that day will be an invitation-only event with 200 or more guests ...

Bricks made of discarded glass and recycling-waste ash have been shown to insulate better than regular bricks, while also requiring less energy to produce. And of course, they additionally use ...