Top 10 DMAs that are home to adults who rented a car for personal use more than once in the last 12 months: 1 Washington, D.C. (Hagerstown, Md.) 2 San Francisco/ Oakland/ San Jose 3 Las Vegas 4 Chicago 5 San Diego 6 Boston (Manchester, N.H.) 7 Atlanta 8 Denver 9 Dallas/ Ft. Worth 10 Detroit Source: MRI's Market-by-Market study; based on Top 100 DMAs. www.mediamark.com