Velomobiles, recumbent bicycles with sleek, colorful outer shells, head for the open road in Portland, Ore., Thursday, July 28, 2011. Twenty five riders from Europe and twenty five riders from North ... more 
Velomobiles, recumbent bicycles with sleek, colorful outer shells, head for the open road in Portland, Ore., Thursday, July 28, 2011. Twenty five riders from Europe and twenty five riders from North America are on a cross-country trip which will finish on the U.S. Capitol steps in Washington D.C. on August 26. The bikers are trying to spread the message that sustainable, clean transportation can be fun.(AP Photo/Don Ryan) less 
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Associated Press | Photo By Don Ryan
Thu, Jul 28, 2011 7:49 PM EDT