I'm going to be extremely unpopular for saying this, but I still think the self driving car problem should be solved by having them value the people in the car more than those on the road around them. Is that immoral? Maybe, but if I'm buying a car, I like to think it's looking out for me first and someone else seven hundred and fifty sixth. Of course, this is rather less of an issue that it seems, since the article…
You run into a cascade problem if your car decides to weigh the fates of other cars by trying to run some value comparison. Who sets the values? Can they be spoofed, and so on.
So first rule is that it cannot harm another vehicle to save itself. You aren't really part of the equation here, you cannot be. By the act of using the autonomous automobile you and it become one for sake of the how the rules play out.