Elon Musk says he wants a new 10km (six-mile) vacuum tunnel for his futuristic Hyperloop – ready for next year’s speed-record competition.
Hyperloop aims to transport people in high-speed pods in underground tubes.
Mr Musk tweeted his plan after the Technical University of Munich set a new record for the fourth year running.
Its pod reached 463km/h (288mph) on the current test tube in the US ... Read even more
