There's a lot of discussion about biking (and to a lesser extent walking) as more dangerous than driving. This really depends on the extent to which your values are selfish or altruistic.

This is an oversimplified dichotomy, of course, but if you're selfish, then you should prefer to be in a large (but not so tall that it rolls easily) vehicle, while if you're altruistic, then you should prefer to be in a small vehicle or a bike or (best of all) on foot. The increased personal risk to is more than made up for by the decreased risk to others, if you count the others as just as valuable as yourself.

Some people have hinted at this, but I don't think that anybody made it explicit (my apologies if I missed that).