Denny Hamlin says he's motivated by winning a championship this season so his dad is assured of celebrating it with him.

Also, charging from empty to full takes about 3.5 hours which is typical for cordless vacuums in this category. The LED headlights in the floor nozzle light up hidden debris that you might miss in dim ...

See some of the best moments from a short-track showdown at Martinsville Speedway where Championship 4 is decided.