A strategy-filled Kobalt Tools 400 came down to the very last lap on Sunday. It was Daytona 500 winner Dale Earnhardt Jr. coming up half a lap short as his fuel tank ran empty while he was motoring down the backstretch with victory in his sight. This allowed Brad Keselowski to regain the top spot, which he held for most of the second half of race, and score his first victory of the season. Continue reading