Thirteen-time grand prix-winner turned BBC F1 pundit and DTM ace David Coulthard stresses that for the sport to be a success in the States this time around, it first has to get the circuit right...
X Games superstar daredevil Travis Pastrana has pulled out of all his Nationwide appearances in 2011 following the leg and ankle injuries he received last week in competition.
HVM Racing driver Simona de Silvestro has been ruled out of competing in this weekend's Iowa Corn Indy 250 after suffering post-concussion symptoms from last weekend's crash.
Dan Wheldon might be unemployed after his Indy 500 victory on Sunday, but he's not going to be short of cash for the foreseeable future - after pocketing $2.5m for the day's work.
The winner of the 2011 Indy 500 gets twice as much in prize money as the driver in second place, but no one walks away with a less than a quarter of a million dollars after Sunday.
The 23-year old Indy 500 rookie nearly scooped the biggest prize in motorsport. How does anyone pick themselves up from such a devastating last-turn crash?
Dan Wheldon was never far from the front of the field during the three hours of the 2011 Indy 500, but he never looked like winning and never led a lap. Except the last one.
Ever since teams and drivers arrived at Indianapolis, there has been a rolling campaign to get IndyCar to drop double file restarts for the Indy 500. But to no avail: they stay.
Andretti Autosport has bought Bruno Junqueria's place on the Indy 500 grid for Ryan Hunter-Reay, as the team goes into crisis and damage limitation mode over its qualifying performance.
Simona de Silvestro has been allowed back on track in morning practice to test her injured hands ahead of qualifying on Saturday afternoon, but Ryan Briscoe crashed in the session.
Rumours were flying around the Indianapolis Motor Speedway on Friday that Scott Speed was set to walk out of Dragon Racing's Indy bid after a series of bad-tempered rows between driver and crew.
The final day of practice before qualifying is known as "Fast Friday," and it lived up to its reputation with six drivers topping 228mph - led by Penske's Helio Castroneves.
Chevrolet today confirmed its return to the IZOD IndyCar Series as an engine supplier from 2012 at a news conference at the Indianapolis Motor Speedway.
When an F1 driver is hurt in a serious accident - for example Felipe Massa's head injury at Hungary 2009 - the session is interrupted (either by a safety car or red flags) and the injured undergo treatment at the scene before being moved.