Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

McLaren managing director on leave, not expected in Geneva

McLaren Automotive's U.S.-born managing director, Antony Sheriff, is expected to be absent from the launch of the P1 hypercar at Geneva next week because he is on extended leave from the company. No reason for Sheriff's absence has been given, although McLaren is at pains to point out that he is “still employed as McLaren Automotive's managing director.” Rumors were circulating about Sheriff's absence from Woking in January, but company spokesmen back then stressed that he was still employed by McLaren and would unveil the P1 at Geneva. Despite those assurances, sources had reported earlier in the year that Sheriff “hadn't been seen in his office” for some days.

Quake delays launch of Toyota Prius wagon

Toyota Motor Corp. has delayed the Japan launch of its new wagon-style Prius in the wake of the parts shortage triggered by this month's earthquake. The company had planned to start selling the car here by the end of April.

One Lap of the Web: One lap of the 'Ring in a Lamborghini Cabrera

-- Ever wondered how a 2013 Audi S3 would stack up against a 1983 Audi Sport Quattro on a rally circuit? So have we, but unlike us, Audi actually has the means to make the two cars go head to head. And, of course, they've filmed it all .