Natural gas is leaking from city pipes, but spotting leaks is getting easier.
Original story at Ars Technica• 7 mentions • 3 months ago
Ars Technica 3 months ago
Researchers from Colorado State University have been working with Google Street View to map pervasive natural-gas leaks. These leaks come from pipes that can be buried three-to-four feet below city streets. Many of the millions of miles of piping that deliver natural gas locally to urban and suburban homes are decades old—in some cases piping can be more than a century old. Older pipes can be made of cast-iron or bare steel, and they are often corroded or broken in places. But because they’re buried and because natural gas is invisible, it’s hard to tell when a pipe is leaking ...