NASCAR officials are talking to teams and running tests in North Carolina to determine what changes would best prevent the sustained two-car drafts that dominated Saturday night's Budweiser Shootout at Daytona.
An attorney for Jeremy Mayfield says he will not go to Chicago for this weekend's NASCAR race.
Phoenix blog Friday.
Greg Biffle's team faces penalties after his car failed post-race inspection following a fifth-place finish Sunday in the Food City 500.
Toyota is taking aggressive measures, similar to the way it moved into the Craftsman Truck Series, to improve its Nextel Cup teams.