Southwest Gas estimates there are more than 10,000 miles (16,100 kilometers) of the piping throughout Arizona. The utility says it has a plan to target high-risk areas for replacement or abandonment.

“Today, 13 years later, 89% of cast iron has been removed from Pennsylvania because we focused on the material ... PVC piping. In August, the PUC released a tentative order to natural gas ...

Cascading failures involving a corroded steam pipe and a defective natural gas fitting caused a powerful explosion in 2023 at a Pennsylvania chocolate factory, killing seven workers when the ...

The program aims to replace Peoples Gas' aging cast-iron pipes with durable plastic pipe. "Crews will replace more than 2,000 miles of natural gas pipes. Plastic pipes are more flexible and better ...