If you can, yes.... but.
You will be happier and save money, but the energy you save will be allocated to more autosprawl as long as autosprawl is subsidized.
Individual action cannot compete with public policy. If you want to reverse autosprawl, you must become active in electoral politics, join a transit advocacy group, or join a bus/transit riders' union.
We have listed a few on the right under "Take Action." If yours is not listed contact us.