Plastic pipe for natural gas distribution is usually high density polyethylene, but in Henderson, Ky., Teel Plastics Inc. extruded nylon 12 gas pipe to replace steel. This month, Best Practices brings ...

Xcel Energy has started replacing a defective brand of natural gas pipe at hundreds of homes and businesses in North Dakota after it was blamed for a south Fargo house explosion almost a year ago.

KNOXVILLE, Tenn. — Crews with the Knoxville Utilities Board have been hard at work installing new infrastructure along Cumberland Avenue. The utility company said they also innovated while installing ...