I feel your car-sharing pain, but the problem is that the Peninsula is basically the burbs; there's nowhere you could put a car-share that enough people with no car could reasonably get to it to make the endeavor worthwhile.
One of the interesting things about City Carshare in Berkeley is that some of its locations are just people's driveways.
One of the interesting things about City Carshare in Berkeley is that some of its locations are just people's driveways.