LANSING, Mich. (AP) -- A published report says that Michigan is one of the nation's leaders in the amount of outdated, leaky cast-iron and wrought-iron natural gas pipes.
The Detroit Free Press says that the state has 3,153 miles of the pipes. DTE Energy Co. and CMS Energy Corp. are Michigan's leading natural gas suppliers, and the newspaper says they've replaced only 15 percent of the antiquated lines in the past decade.
On Feb. 27, a crew for CMS's Consumers Energy unit was replacing eight-decade-old pipelines in Royal Oak when a natural-gas explosion killed one resident and damaged 31 homes.
The Free Press says Michigan is fifth in the nation in the amount of wrought- and cast-iron gas lines. It says DTE is second among U.S. utilities with 2,499 miles of the lines.
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