In my family, we have one car for 4 licensed drivers. We brought up our
children cycling, and now that they're older (one is a Junior in
High School and the other is a Freshman in college), they have continued
the good habit. I commute by bicycle to work year round,
regardless of weather, unless the roads are treacherous. My commute is 8
miles.

Nowadays, if I lived in a large city with mass transit, I would combine
mass transit with a nice folding bicycle.
Jim Gagnepain
http://home.comcast.net/~oil_free_and_happy/