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"The most- and least-educated workers in the U.S. are the ones most likely to commute by bicycle or foot, the U.S. Census Bureau says."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2014/05/09/Census-Bureau-More-people-in-US-are-commuting-by-bicycle/5131399656465/?spt=sec&or=tn>