Home » BBC News - Technology » technology news » Elon Musk unveils prototype high-speed LA transport tunnel Elon Musk unveils prototype high-speed LA transport tunnel Unknown 12:48 AM BBC News - Technology technology news The entrepreneur says his system will see modified electric cars travel at high speed underground. from BBC News - Technology https://ift.tt/2S4k1p6 Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati