NASCAR has unveiled a rule change aimed at slowing the Cup cars by up to 10mph on superspeedway events in the wake of Joey Logano’s huge accident at Talladega last month.The No. 22 Team Penske Ford became airborne and skidded for an extended time on its roof before flipping right-side...

Concern over IndyCar's new dome skids is growing among drivers after troubling feedback from recent tests of the system at Fontana.The dome skids, which mount beneath the Dallara DW12 chassis and run the full length of the floor, are a carry-over concept from the previous Dallara chassis. Compared to standard...