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

Nissan goes bespoke with Project 370Z

Nissan is flexing its social-media muscles for the new 370Z. It will offer fans a chance to submit and then vote on customization options for the new coupe. “Car companies build project vehicles all the time, but we thought it'd be interesting to harness the power of social media to reach out to Z enthusiasts,” said Jon Brancheau, vice president of Nissan North America marketing.

CAR tech: how much F1 is in the McLaren P1?

We're forever told racing tech makes for better road cars, but is that true, even in the case of the £866,000 McLaren P1? CAR tech looks at the similarities between Jenson Button's weekend racer and McLaren's hybrid supercar: Gives you wings A Formula One car wins or loses by its aero package – and the P1’s a true aero car with a mighty set-up. It has the highest amount of downforce of any road car on sale – so you couldn’t get closer to F1 with number plates if you tried.

Rearview cameras may become mandatory

Rearview cameras may become a mandatory feature in all passenger cars by 2014 if US Congress approves a rule submitted by the National Highway Traffic Safety Administration. Auto safety regulators have taken the decision to submit a final rule to Congress after figures emerged from non-profit group KidsandCars.org that stated that two children die and about 50 are injured every week when someone accidentally backs over them in a vehicle. In one quite shocking public-service announcement KidsAndCars.org showed that 62 children could fit behind a large SUV without being visible to the driver in any of the mirrors.