Useful evidence connected to Formula One's spy scandal has been collected from McLaren which shows where responsibilities lie, Italian police said on Thursday.
Lewis Hamilton gave retired seven times world champion Michael Schumacher a taste of his pace on the first day of Formula One's final pre-season test in Barcelona.
Super Aguri pulled out of a test in Spain on Monday, adding to concern about the team's financial health less than a month before Formula One's Australian season-opener.
Ryan Newman won the 50th edition of the Daytona 500 race in a dramatic finale on Sunday to give his Penske Racing team their first win in NASCAR's premier race.
Hamilton, the victim of racial abuse from Spanish fans earlier this month, took top honours in Formula One pre-season testing in Spain.
Williams abandoned a Formula One test in Barcelona on Saturday after deciding they needed to do more in the factory to resolve a front wing problem with their new car.
Former champion Fernando Alonso made clear on Thursday that he would be Renault's number one driver this season after being denied top billing by McLaren last year.
Rubens Barrichello, the most experienced driver in Formula One with 15 seasons under his belt, shudders when he recalls last year's Japanese Grand Prix.
Double world champion Fernando Alonso gave Renault's 2008 Formula One car an encouraging track debut on Monday ahead of next week's formal launch.
Formula One newcomer Timo Glock put Toyota on top of the testing timesheets on Wednesday after he cast doubt on the performance of their new car.
Double world champion Fernando Alonso made a perfect start to his return to Renault on Tuesday with the fastest time in testing at the Jerez circuit in southern Spain.
Ferrari struck an early blow on Monday with their 2008 car lapping quicker than the new McLaren in Formula One's first official test of the year in southern Spain.