New technology might be able to halve the amount of water again, says Mike Fatigati, vice president of Delta-T Corp, a Virginia company which has designed a system that does not discharge any waste water.

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Furlano RI, et al. Colonic CD8 and gamma delta T-cell infiltration with epithelial damage in children with autism.

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Delta hasn't advertised its Porsche shuttle at Atlanta's Hartsfield-Jackson International Airport, the busiest airport hub in the world by number of passengers.

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In addition, Delta has been opening up lowest-level Saver awards close to departure for flights that aren't selling well, Mr. Robertson said.

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