Denver is testing whether sewer heat, geothermal wells and district thermal infrastructure can retrofit dense downtowns without requiring major electrical-system expansion.

Crews with Skanska and E-J Electric toil deep under Manhattan and the East River to completely rebuild a pair of two-tube rail tunnels.

The equipment giant filed a claim with the International Trade Commission alleging that the South Korea-based rival violated its patents—seeking an investigation that could potentially halt ...

Mackenzie says shutdown of shipping through Persian Gulf far more than an energy crisis,” said one market expert—as contractor McDermott International marks growth in region infrastructure restoration ...

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