AutoTrader.com is entering NASCAR with two different teams and its Kelley Blue Book brand. AutoTrader.com has joined Team Penske as the primary sponsor for Joey Logano at the July race at New Hampshire. The online company will also be an associate sponsor on Logano's No. 22 Ford for the entire season. Kelley Blue Book has joined Hendrick Motorsports as the primary sponsor for Dale Earnhardt Jr. at Sonoma in June and as an associate sponsor the rest of the season. More...