NRG Energy Inc <NRG.N> planned to restart the 864-megawatt Unit 2 at the Limestone coal-fired power station in Texas on Dec. 16-18, the company told Texas regulators in a report.

San Antonio straddles the Balcones Fault, a limestone escarpment that rises out over the agrarian flats of south Texas. It is here, near the campus of Trinity University, the Sunken Garden Theater ...

Above that mass of limestone there is only a veneer of soil, and the country is hard, craggy, and scenic—cowboy country. The distinction is that sharp: farmers to the east, ranchers to the west.

Texas environmental regulators on Wednesday issued an air-pollution permit for a power plant expansion, the first coal-fired plant to be approved since the ...

2007-03-11 04:00:00 PDT San Antonio-- Wind, rain and the reverent touches of 2.5 million annual visitors are taking their toll on the Alamo's limestone walls, slowly eroding the landmark where one ...