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Aston Martin AM310 makes a quiet debut at the Concorso d'Eleganza Villa d'Este

The Concorso d'Eleganza Villa d'Este is more than a celebration of classic automotive design. It's also a great opportunity to view cutting-edge concept vehicles. This year's event saw the debut of the BMW Zagato coupe concept, and the Alfa Romeo 4C concept took home the concours' coveted “Design Award for Concept Cars & Prototypes.” You'd never know it based on the official coverage (or lack thereof), but Aston Martin also unveiled a concept at the concours.

BMW i8 revealed: The BMW Vision ED lives

BMW i8 Revealed Today BMW reveals the i8 Concept, the production concept of the Vision EfficientDynamics supercar we saw back in 2009 and, for BMW, their way forward in a more eco-conscious world. But being aware of the climate doesn’t mean the joy has to be taken from the drive, and the BMW i8 aims to offer a car which can claim a green halo be also be a stimulating and appealing car for the petrolhead. The i8 is remarkably similar to the original Vision ED Concept, although it has dumped the 1.5 litre diesel the Concept has for a new 1.5 litre petrol engine with direct injection which develops 220bhp and 221lb/ft of torque.

Audi Sport Quattro Concept arrives on video

It does seem almost a certainty that Audi are planning on building a production version of the Audi Sport Quattro concept we saw at the Frankfurt Motor Show last month. After all, Audi has already had one stab at a high-end recreation of the iconic quattro in 2010, turned up at Frankfurt with a second, more powerful, version and has now got that version running around on video to celebrate 100,000 Facebook Likes. If Audi are going to build the Sport Quattro it’s almost certainly going to be a limited edition run at a price that eclipses even the current range-topping Audi R8 V10 Plus.