Simplify the following text for a Grade 8 native English-speaking person.
Original: Sunoco asked NASCAR to talk with Richard Childress after Harvick won both the Nationwide Series and Sprint Cup Series races wearing a prominent Shell logo on his fire suit .
Simplified: Kevin Harvick drives the # 29 Shell\/Pennzoil Chevrolet Impala for Richard Childress Racing in the NASCAR Sprint cup series . Harvick won the NASCAR Nationwide series championship and the Sprint cup rookie of the year award in 2001 . .