Cement plants are among the world's largest sources of CO2. In order to reduce their carbon footprints, either voluntarily or to comply with new environmental regulations, as well as make a buck, owners are trying out different strategies to turn their Greenhouse Gases into just plain green cash.  As far as we can tell, the…

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In a $2 billion deal, Raleigh, North Carolina-based aggregate and crushed stone manufacturer Martin Marietta Materials (a separate spin-off on the more well-know aerospace conglomerate) bought Dallas' own TXI Cement, which opened its first cement kiln in Midlothian in 1960.  This year, that kiln, along with the three other obsolete wet kilns at TXI's Midltohian…

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