"TXI will permanently shut down its four oldest, highest-polluting cement kilns in Midlothian and will stop burning hazardous waste as fuel, the Dallas-based company said Tuesday.

The announcement ends an environmental battle that has raged in North Texas for decades.

TXI, formally known as Texas Industries, always insisted that the practice of fueling its oldest kilns with other companies' waste was safe, but environmentalists maintained that it spread toxic pollution across the region."

Randy Lee Loftis reports for the Dallas Morning News July 7, 2010. [2]