Casey Neistat has a great video where he measures commuting by subway, taxi, personal bike, or bike share
http://animalnewyork.com/2013/citi-bike-is-not-a-pain-in-the-ass-says-casey-neistat/
Citi Bike is not a pain in the ass says casey neistat
wonderful video
http://animalnewyork.com/2013/citi-bike-is-not-a-pain-in-the-ass-says-casey-neistat/
Citi Bike is not a pain in the ass says casey neistat
wonderful video