Jason Leffler

Jason Leffler, driver of the #18 Dollar General/M&M's Toyota, stands on the grid during qualifying for the NASCAR Camping World Truck Series American Ethanol 225 at Chicagoland Speedway on July 21, 2012 in Joliet, Illinois. (credit: Tyler Barrick/Getty Images for NASCAR)

NASCAR Mourns Death Of Jason Leffler

NASCAR driver Jason Leffler died after an accident in a heat race at a dirt car event at Bridgeport Speedway.