Of the three types of natural gas pipelines — large transmission lines, medium-sized gathering pipelines and small ...

Williams Cos. is refiling permits for its Northeast Supply Enhancement Project and Constitution pipelines to move natural gas from Pennsylvania to the New York region and New England.

(AP) — Federal safety investigators are examining a natural gas pipeline for fractures and other damage as they gather evidence on the cause of last week’s deadly explosion at a Pennsylvania ...

Capacity may explain why Texas and Louisiana have continued to increase natural gas production as they expand pipelines, while Pennsylvania’s production has stagnated. Though red tape has been a ...

The pipeline would run from Pennsylvania's Susquehanna County through New York's Broome, Chenango and Delaware counties. The 124-mile Constitution Pipeline could be built and operational by next ...

A map of transmission pipelines in Allegheny County. Maps of the majority of natural gas pipelines in Pennsylvania are not readily available to the public. That includes the pipeline that exploded ...