From an excellent article in the Edmonton Journal by Dan Gardner:
A somewhat less obvious benefit is the smack in the face urban planners are about to receive. As the cost of transportation rises, people will value housing nearer to their work and they will find it absurd that the purchase of a quart of milk or a visit to the gym requires the ignition of an internal combustion engine. Urban design that brings homes, shops and employers closer together — and allows people to get around on feet and bicycle wheels — will flourish. Suburban monocultures and soul-crushing commutes will slowly shrivel.
Read the whole thing. Then, let’s learn from the Norwegian example.