Well, I agree that it is a nice system and that safety systems that protect pedestrians are worthwhile. But millions of vehicles are marketed based on how econo

Well, I agree that it is a nice system and that safety systems that protect pedestrians are worthwhile. But millions of vehicles are marketed based on how economical they are. How do you spread the usage of such a system into those vehicles and convince an economy-minded purchaser to shell out the extra money to equip it?