Simona de Silvestro is ready to kick off her sophomore season in the Nuclear Clean Air Energy car as she competes in the 2011 IZOD IndyCar Series. After three practice sessions - taking place on Friday and Saturday - de Silvestro stayed focused through a few engineering revisions. "We struggled in the first session," she said, but was happier with the second. "We improved the car a little bit and everything is going great with my new engineer. We're starting to understand each other - I think it's clicked a little more this time." After Saturday afternoon's qualifying session, de Silvestro was cautiously optimistic. Read more: http://www.theautochannel.com/news/2011/03/26/525105.html