Allentown, UGI differ over whether pace of gas pipeline replacement is enough

The gas pipe that leaked and is believed to have caused a massive gas explosion in Allentown nearly one year ago was first installed in 1928. Eighty-three years old at the time, the pipe was slightly below the average age of the cast-iron pipelines running through the city. Out of about 72 miles of cast-iron pipe in Allentown, [...]