text: Speed made his NASCAR Craftsman Truck Series debut at Atlanta Motor Speedway on March 7 , 2008 driving for Morgan-Dollar Motorsports # 46 Chevy with Red Bull sponsorship .
simplified: Speed made his Craftsman Truck Series debut at Atlanta Motor Speedway on March 7 , 2008 driving the Morgan-Dollar Motorsports # 46 Cheverolet with Red Bull sponsorship .