Red Bull launched its 2009 challenger in Jerez on Monday in preparation for the new F1 season, which begins in Australia on 29 March.

BBC: Webber back to test Red Bull car

Bahrain is scheduled to be the fourth race in the 2012 F1 season, which starts on March 18 with the Australian Grand Prix in Melbourne.

CNN: BIC: 'Bahrain Grand Prix will go ahead'

It sealed a remarkable end to a difficult season in which Portuguese manager Andre Villas-Boas was sacked in March, just nine months after he arrived from Porto.

CNN: STORY HIGHLIGHTS

IndyCar has yet to finalize its 2012 racing season, which is scheduled to start in March and would normally be set by now.

WSJ: IndyCar Blames 'Perfect Storm' for Fatal Crash

All their main rivals are planning to race brand new cars from the start of the season, which begins in Australia on 6 March.

BBC: SPORT | Motorsport | Formula One | Ferrari to unleash new car in May

About 35 are planned for the year ending in March 2013, up from 30 in the latest season, which ended earlier this month, says Robin Pendoley, co-director of USA Gap Year Fairs, a nonprofit organization.

WSJ: Work & Family Mailbox

The Cavaliers haven't won four games in a row since March 17-24, 2010, which was LeBron James' final season with the franchise.

NPR: Nuggets Win Ninth Straight, Beat Cavaliers 111-103