If the car can turn the four wheels 90 degrees, then the roadside parking is not particularly convenient? Is it a technical problem or other problem that leads to a car wheel that can turn to 90 degrees?
Insider try the electric car after 90 degrees, the rear drive will be in the front of the case of the car forward to push forward.
Audi has been the concept car is done, the specific way is to become a spherical tire.
How to do after the drive? How about four-wheel drive?
Technically no problem, the problem caused by the price of your expensive four or five times you will buy it
