In August 2003 Sprint’s backup generators ran out of fuel because of a broken or stuck valve on an underground line that should have tapped diesel from a larger off-site reserve, officials say. This is a problem that seems to remain today as we jump forward 13 years to present day. Sprint’s president of Sprints D.C., Maryland and Virginia region said he would test his backup generators on a monthly basis to ensure that we never had to wonder. We had learned what could have been a hard lesson in 2003 and thankfully our diesels worked.”]
Source: https://www.csoonline.com/article/3124633/meteors-disasters-and-the-diesel-generators.html