Sentences with phrase «replacing aging pipes»
Advocates have called for $ 800 million to fund clean water infrastructure since the state's own estimates put the cost to communities in replacing aging pipes and sewers at more than $ 30 billion over the next few decades.
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A future hydrogen economy could use the gas as an energy carrier As this method doesn't produce oxygen which needs to be kept separate from hydrogen, safety from explosion of the two gases is much less of a problem with electricity in the national grids carried by ageing cables, it would be useful to replace them by passing the hydrogen along gas pipes used currently for natural methane gas.