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

A look at Toyota future products

Toyota has slipped behind competitors in drivetrain technology and now must play catch-up against the likes of Ford, Hyundai and Mazda. Much of Toyota's lag stems from engineering resources being diverted by the unintended acceleration crisis and other quality miscues in the past two years. Now expect Toyota to focus more on turbocharging and direct injection, and it may even bring a couple of diesels to the United States as part of midcycle changes.

McLaren P1 production starts in Woking

McLaren P1 production starts in Woking The Geneva Motor Show in March saw the arrival of the first production version of the new McLaren P1 (and its arch-rival, the LaFerrari). But it’s taken until now – seven months later – for McLaren to finish final testing of the P1 before pressing the button on their clinical assembly line to start customer P1s rolling out. In between the reveal at Geneva and production starting, McLaren have been having a bash at the Nurburgring (with mixed results) and doing some final hot weather testing on the P1, but now – apart from a few inevitable tweaks once the P1 gets out in to the real world – the P1 is ready for its customers.

Nissan tests DeltaWing in a wind tunnel before Le Mans

Nissan sent out a video on Thursday, calling it part one in a series on the development on the DeltaWing. The videos will tell the behind-the-scenes story of the car’s journey to the 24 Hours of Le Mans. Similar to the Juke-R series, which stretched to nearly 10 videos, this series will show the process of making the DeltaWing race ready.