The U.S. Army Corps of Engineers will fast-track permits for building a protective tunnel around an aging Enbridge oil ...

The world's largest shield machine for railway construction, a tunneling device with a diameter of 15.4 meters, reached the middle point of the tunnel's underwater section on April 16, marking a ...

Such progress also means that the China-developed, 148-meter-long shield machine, is coming closer to the zone with the ...