DC Solar and Phoenix International Raceway are partnering to promote clean energy usage at the track.

Michael McDowell, who was born in Phoenix and raised in Glendale, recently learned that he now owns a little piece of NASCAR racing history.

Jimmie Johnson turned a lap at 143.158 mph in qualifying Friday to win the pole at Phoenix International Raceway.

Run, NASCAR, don't walk, back to the drawing board to figure out how to liven up racing. The rules package used for the Brickyard 400 was a failure no matter how the race is dissected.

A new rules package for Indianapolis Motor Speedway provided visibility issues for drivers. More troubling for NASCAR, though, is that after nearly five hours of practice Friday, there was little indication the changes will produce better racing.

Jeff Kyle raced up to 150 mph during a recent charity drive at Texas Motor Speedway, a welcome relief for the former Marine.

The most intriguing wrinkle for the Chase may not be which championship contenders are in or out after each elimination round.

What a different NASCAR we have now.

Whether NASCAR's new rules create a passing fancy at Kentucky Speedway remains to be seen.

Matt Crafton earned his ninth career NASCAR Camping World Truck Series victory Thursday at Kentucky Speedway in a race stopped early because of a wreck that damaged the catch fence.