Elon Muska s tunnel goals may be too lofty a ” even for the eccentric billionaire

Elon Musk’s SpaceX and Tesla may have revolutionized space travel and electric vehicle design and manufacturing, but experts say his latest lofty goal of increasing tunnel-building efficiency by at least 500 percent is absolutely ridiculous. The Hawthorne-based billionaire began digging a hole – technically, a vertical shaft – next to Space Exploration Technologies Corp. at Crenshaw Boulevard and 120th Street on Friday.