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Audi e-tron Spyder concept

Audi revealed the latest iteration of its e-tron product range in the form of the Spyder concept at the 2010 Paris motor show. The roadster showcases the brand's plug-in hybrid technology cloaked in an emotional two seat package. Measuring 4060mm long, 1810mm wide and 1110mm high, the Spyder is only slightly larger than the electric e-tron concept shown in Detroit earlier this year.

Fisker reveals hardtop convertible Karma S concept

Alongside the production version of the Karma sedan at the Detroit Auto Show, Fisker debuted the second model to join the Karma range. The Karma S (for Sunset) concept is spawned from the same aluminum spaceframe that underpins the sedan, but loses a set of doors. A retractable hardtop covers the four-passenger interior.

Renault Twingo concept

Renault has shown a production preview of the next Twingo, due to be replaced early next year. The new car eschews the monovolume of the outgoing model for a more conventional two-box, with friendliness being replaced with dynamism in the front graphic. This sporting theme is furthered by the dropped ride-height and large arches, and is complemented by a music theme.