AT&T announced today its purchase of 1,200 Chevrolet Express compressed natural gas (CNG) cargo vans from General Motors. The vans, which are manufactured at the GM plant in Wentzville, will be deployed to AT&T service centers nationwide for use by its technicians, the company said. AT&T announced in 2009 that it planned to invest up to $565 million to purchase about 15,000 alternative fuel vehicles over a 10-year period through 2018. more