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

Toyota Camatte 57s concept

You may remember last year we reported the unveiling of a customizable, modular little concept car called the Toyota Camatte at the Tokyo Toy Show. This year Toyota has returned with an updated version called the Camatte 57s with more scope for families to personalize their space-framed little machines with a total of 57 external panels (as its name suggests) as well as the removal of the roof which apparently "adds to the fun factor and allows everyone on board to enjoy the colorful exterior they have created". Like last year's car the driving position can accommodate both adults and children with gown-ups sat in the right rear seat able to intervene should the infant pilots go astray.

Tour de France improve cycle safety

THE TOUR DE FRANCE, which starts in Yorkshire for the 2014 race, has helped increase cycle safety awareness by 90%. Cyclists report car drivers are being more patient and giving them more space on the road in the build-up to the biggest cycling race in the world. A survey by ColinAppleyard.com found 90% of drivers say they are more of cyclist because of Le Tour, while 73% of drivers said they are now more careful around cyclists.The arrival of the Tour de France has also made 10% of drivers consider buying a bike.

Underground Racing Lamborghini cracks 250 mph--watch the video here

Earlier this year, we told you about Underground Racing, a shop in Charlotte, N.C., that makes a business out of upgrading Lamborghinis with twin turbochargers to boost engine output to more than 1,000 hp. Now, a Lamborghini Gallardo Superleggera upfitted by Underground Racing cracked the 250-mph mark at the Texas Mile event. Car owner Richard Holt made the 250.1-mph run in late March, but video was posted just this week.