"We really are developing what I would consider a new class of vehicle," Kraus said. "We do something that's a little bit wild, which is we actually put a motor in the vehicle. So even though it's towed, it's also self-propelling. It's supporting its own drag and its own mass."
From the article:
"We really are developing what I would consider a new class of vehicle," Kraus said. "We do something that's a little bit wild, which is we actually put a motor in the vehicle. So even though it's towed, it's also self-propelling. It's supporting its own drag and its own mass."