Relay launched in 2009 with the help of legwork from interns from local colleges like the University of Virginia and Virginia Tech, and then expanded to Richmond.

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Working with researchers from Virginia Tech and the University of Colorado, Mr. Adams recently examined returns from 226 mutual funds between 2003 and 2009.

WSJ: When Funds Lend Out Securities, Do Investors Get a Fair Share?

Some observers such as Dr. Robert Lang, an expert on urban affairs and planning at Virginia Tech University, say the gas crunch could be a turning point in perceptions of public transportation and how cities plan development.

CNN: U.S. cities scrambling to meet rising mass transit demands