Elon Musk’s big ideas usually involve revolutions in clean power, electric cars, Mars colonies and high-speed tube travel, but the billionaire entrepreneur wants U.S. cities to know that when it comes to the Boring Company he has a practical side, too. In fact, his new tunnel-oriented endeavor will do a lot more than just make vacuum-tube Hyperloops—it’ll build your new sewer lines…

“Moving cars underground in cities is expensive, but having power, water, sewer, communications and other utilities underground in cities is essential. And a lot of these systems are old and in bad shape,” said Constantine Samaras, associate professor of civil and environmental engineering at Carnegie Mellon University. “Often fixing utilities means cutting open the street and disrupting traffic.”

“If the Boring Co. can use their tunneling technology to make it faster and cheaper to install and upgrade underground utilities, it will be a big benefit to cities,” he said.
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