Massachusetts U.S. Sen. Edward Markey is warning that the deadly gas explosion that destroyed two buildings in New York and killed eight people shows the need to fix the aging infrastructure that delivers fuel in cities across the country.

The Democrat has filed legislation that would require utilities and state regulators to consider replacing the oldest, leakiest natural gas pipelines first.

He said those pipelines have cost consumers billions in lost gas and have contributed to hundreds of explosions over the last decade.

Markey said another bill would establish a state revolving loan fund for natural gas pipeline repair and replacement.

Markey said a massive 2012 explosion in Springfield that injured 18 people and damaged several buildings was a major factor in his efforts to update natural gas pipelines.

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