Drivers Michael Annett (62), Elliott Sadler (2), and Kenny Wallace (09) crash during the DRIVE4COPD 300 NASCAR Nationwide series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 19, 2011. (AP Photo/Russell Williams)
Driver Michael Annett (62), Elliott Sadler (2), Tony Stewart (4) and Ricky Stenhouse Jr (6) are involved in a crash during the DRIVE4COPD 300 NASCAR Nationwide series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 19, 2011. (AP Photo/Jim Topper)
Driver Tony Stewart, front, leads the field during the DRIVE4COPD 300 NASCAR Nationwide series auto race at Daytona International Speedway in Daytona Beach, Fla., Saturday, Feb. 19, 2011. (AP Photo/Chris Graythen, Pool)
Race fans purchase items at a Dale Earnhardt merchandise trailer outside the track at Daytona International Speedway in Daytona Beach, Fla., Friday, Feb. 18, 2011. Earnhardt died 10 years ago today, but his presence still looms large at Daytona International Speedway.(AP Photo/John Raoux)
Brian Keselowski talks to the media during practice for Sunday's NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Friday, Feb. 18, 2011. (AP Photo/Terry Renna)
Dale Earnhardt, Jr., brings his damaged race car into the garage area after a crash during practice for Sunday's NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 16, 2011. (AP Photo/Lynne Sladky)
FILE - This Feb. 9, 2001, file photo shows NASCAR drivers Dale Earnhardt, left, and his son Dale Jr., standing together during a break in practice, at the Daytona International Speedway in Daytona Beach, Fla. The 10-year anniversary of his father's death weighs heavily, almost preventing Earnhardt from enjoying the start of a new season. (AP Photo/Paul Kizzle, File)
FILE - In this file photo taken Feb. 18, 2001, Dale Earnhardt's (3) window pops out of the car after being hit by Ken Schrader (36) during the Daytona 500 at the Daytona International Speedway in Daytona Beach, Fla. Getting by are drivers Bobby hamilton (55), Jeremy Mayfield (12), Bill Elliott (9) and Ricky Rudd (28). Earnhardt had to be cut from his battered car and was taken to Halifax Medical Center, where he was pronounced dead of head injuries. The 10-year anniversary of Earnhardt's fatal accident falls on Friday, Feb. 18, 2011, just two days before the season-opening Daytona 500, NASCAR's version of the Super Bowl. (AP Photo/Greg Suvino, file)
Trevor Bayne, center, holds up the trophy in Victory Lane with help from Eddie Wood, left, and Leonard Wood, right, of Wood Brothers Racing, after winning the NASCAR Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Sunday, Feb. 20, 2011. (AP Photo/John Raoux)
