Apparently we have had self-driving vehicles since 1986 and while they are totally feasible today, the problem is that they use such a ridiculous amount of power an autonomous vehicle may run out of electricity before reaching its destination.
A production car you can buy today, with just cameras and radar, generates something like 6 gigabytes of data every 30 seconds. It's even more for a self-driver, with additional sensors like lidar. All the data needs to be combined, sorted, and turned into a robot-friendly picture of the world, with instructions on how to move through it. That takes huge computing power, which means huge electricity demands. Prototypes use around 2,500 watts, enough to light 40 incandescent light bulbs.
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