José Eduardo Sánchez has designed the Citroen DS BiRotor Concept which has been selected as a finalist for the Michelin Challenge Design.

José Eduardo Sánchez has designed the Citroen DS BiRotor Concept which has been selected as a finalist for the Michelin Challenge Design 2013 competition.

This is a lightweight four-seater coupe featuring a hybrid powertrain with a 600cc Wankel engine powering the rear wheels, while at the front there are two in-wheel electric motors and a CVT transmission.

It boasts a carbon/aluminum modular chassis which has been left exposed inside the cabin. Other highlights of the interior include a polycarbonate transparent panoramic roof and an AMOLED screen.

The custom tires are able to adapt to various driver demands and weather conditions by contracting or expanding. If they shrink, the tires become harder and thinner to help increase fuel efficiency. If the tires expand, larger gaps between the rubbers are created which allow more water flow and increase grip.

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