NASCAR driver Kevin Harvick puts on his helmet with the HANS safety device before practice for Sunday's Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. ... more 
NASCAR driver Kevin Harvick puts on his helmet with the HANS safety device before practice for Sunday's Daytona 500 auto race at Daytona International Speedway in Daytona Beach, Fla., Wednesday, Feb. 16, 2011. The HANS device and impact-absorbing walls are two of the multiple safety innovations NASCAR has introduced in the decade since Dale Earnhardt's death, a wake-up call that has made the sport much safer. less 
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Associated Press | Photo By Terry Renna
Thu, Feb 17, 2011 7:32 AM EST