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Top 12 consumer car debuts at 2012 U.S. auto shows

The 2012 calendar year brought a lot of excitement in the automotive industry. Sales numbers show a gradual recovery, and pending federal fuel-efficiency requirements have fueled a slew of mainstream green technologies that don't dampen driving dynamics. Among the glitz of auto shows, some of our most memorable reveals from the year include such high-profile machines as the 2013 SRT Viper and Acura NSX concept.

Caterham Seven Supersport R (2012) first pictures

It's certainly been a busy week for Caterham. Just a few days ago the company announced its partnership with Renault to create a new range of Alpine sports cars, and now the Surrey-based outfit has gone back its roots to develop an even more hardcore version of the Seven Supersport. Called the Caterham Seven Supersport R, the lightweight special gets an engine capacity increase and power bump over the regular car, but carries over its racing car-derived suspension.

Renault R-Space concept

Following on from the DeZir and Captur, the R-Space took to the stage at Geneva alongside the Twizy and Zoe to complete a healthy concept car showing from Renault.  An upbeat, funky vision of the MPV segment sees the R-Space omit B-pillars in favor of a frameless suicide door set up. This allows uninterrupted access to the interior, which is the main focal point of the concept. Seemingly split into two sections, the rear has been designed with children in mind and features a bevy of motorized cubes that can alter the seating arrangement for child, adult or even baby seats.