Net zero Walgreens prototype rises with CalStar masonry units

Sources: Walgreen Co., Deerfield, Ill.; CP staff

Fly ash-bound brick and paver producer CalStar Products Inc. in Racine, Wis., is among suppliers to what retail giant Walgreen believes will be the nation’s first net zero energy store—engineered to produce an amount of power equal to or greater than what it consumes.

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Five Investment Firms Raise $15 Million For Fly Ash Brick/Paver Proprietor CalStar

San Francisco venture capital fund Nth Power has led an equity financing round for CalStar Products, which opened 2010 dedicating an inaugural Fly Ash Brick/Paver plant in Caledonia, Wis

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