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Using coal residue to make a greener brick

Since when has a brick company come out of Silicon Valley? Calstar Products is making a brick using coal fly ash that needs 85 percent less energy to produce.

By September 24, 2009


Green cement company to jump into building market

Cement is everywhere, and it takes a lot of cooking to make. CalStar hopes to cut out the baking part.

By November 15, 2007