I grew up in Queens NY.    A new study from there showed that in people whose energy expenditure was measured during a week of driving and a week of taking public transport to work,

Commuting by public transportation rather than by car increased energy expenditure (+124 kcal/day…) equivalent to the loss of 1 pound of body fat per 6 weeks.

That’s ~8 lbs in a year!  We’ve talked about this a few times in the past.  Follow Duke Ellington’s (actually, the great Billy Strayhorn‘s) instructions…