Nascar Rules

[the H team]

Lap 246 -- Greg Biffle is back up to sixth and on the move. Denny Hamlin can mount a challenge from seventh.
Lap 244 -- Kasey Kahne is up to fourth as Carl Edwards and Matt Kenseth race for second.

[the H team]

Lap 247 -- Kurt Busch and Brad Keselowski are the two Chase drivers, one lap down.

[the H team]

Lap 250 -- Kyle Busch, Matt Kenseth and Carl Edwards run 1-2-3.
Lap 248 -- Trevor Bayne is back in the race, three laps down -- disappointing news for a team that ran in the top 10 for most of the night.

[the H team]

Lap 252 -- Kyle Busch now leads by 1.065 seconds. Dale Earnhardt Jr. is on pit road for four tires and to top off the fuel in a unscheduled pit stop.

[the H team]

Lap 254 -- Dale Earnhardt Jr. is off pit road and two laps down, in 31st

[the H team]

Lap 257 -- Fourteen cars remain on the lead lap as Kurt Busch is the first driver, one lap down.
Lap 256 -- Kevin Harvick rounds out the top 10; Kasey Kahne, the top five.

[the H team]

Lap 263 -- Mired in traffic, several drivers may elect to take two tires on their next pit stop as clean air seems to be making all the difference tonight.
Lap 261 -- Matt Kenseth is closing on Kyle Busch as Jimmie Johnson passes Tony Stewart for 12th. Ryan Newman is in 11th and doing battle for the spot with the No. 48.
Lap 260 -- No change in running order this lap.
Lap 259 -- Five Chasers are currently running in the top 10, but own the top three spots.

[the H team]

Lap 265 -- Greg Biffle is now up to fourth -- don't count him out at the end as the No. 16 has proven fast all night. And had it not been for a missing lug nut and a return trip to pit road as a result, Biffle could have been the car to beat.

[the H team]

Lap 268 -- Kyle Busch leads Matt Kenseth by .597 seconds.

[the H team]

Lap 270 -- Best Among non-Chasers in terms of position: Greg Biffle (fourth), Kasey Kahne (fifth), David Ragan (sixth) and Marcos Ambrose (seventh).

[the H team]

Lap 272 -- Dale Jr. moves up two spots to 29th.

[the H team]

Lap 274 -- Dave Rogers says it's been a track-position race so far and likes Kyle Busch's chances if lapped traffic doesn't slow the No. 18.

[the H team]

Lap 276 -- Jimmie Fennig when asked what Matt Kenseth's fuel window was in the No. 17: "When we make it to the next one." ... Crew chiefs are holding their cards close as pit strategy may mean the difference at the end.

[the H team]

Lap 282 -- No change to the top five as green-fl&g pit stops approach.
Lap 280 -- Jimmie Johnson moves up to 11th, passing Ryan Newman. Kevin Harvick holds on in 10th.

[the H team]

caution out for dave blaney's car blowed up with 47 laps to go. biffle gets the free pass.