"But when you're moving at 15 miles an hour, you can stop within, you know, 15 feet," Urmson said. "Whereas, if you're driving down the freeway, you can't just stop for one thing and you know, it takes you 150 metres, 200 metres to stop. And so, you know, the kinetic energy involved with a 70,000-pound truck, it's 70 miles an hour is just completely different. And so people underestimated how hard the technological problem would be."
Dragon Fish : Now posting this type of news is no use. Now you are having a war in the stock market.
bullrider_21 OP Dragon Fish : Some people may think it's easier to make autonomous trucks than autonomous cars. This article explains why it's not the case.