Rudd, who drives the No. 88 Ford for Robert Yates Racing, said Sunday that 2007 will be his last as a full-time driver in Nextel Cup.
Sunday's Auto Club 500 marks the first time the Nextel Cup teams will use unleaded fuel.
David Gilliland and Juan Pablo Montoya showed speed during their first day of testing at Daytona.
From Jimmie Johnson and the No. 48 team's highest of highs winning a first title to Robert Yates Racing's lost season, Terry Blount counts it all up with his Blount Blitz.