Elon Musk debuts test tunnel in Hawthorne: ‘I really think this is incredibly profound’

Ethan Elkind quoted in Curbed Los Angeles, December 18, 2018

“If his tunneling costs are real, that would provide a staggering benefit for subway transit. And we need more transit tunnels in our cities badly as an alternative to street traffic and to expand overall capacity,” said Ethan Elkind, a transportation scholar who directs the climate program at the Center for Law, Energy and the Environment at UC Berkeley Law. “If it works, transit agencies may want a piece in some way.”