Ford has unveiled a new hybrid car with a roof covered in solar panels.

The C-Max Solar Energi claims to be the first sun-powered hybrid vehicle that does not depend on electricity for fuel.

The vehicle, which has one-and-a-half square metres of photovoltaic cells on its roof, will go on show at the Consumer Electronics Show 2014 (CES) held in Las Vegas this week.

The panels, built by SunPower in California, have a single metal layer on the back of the photovoltaic cells.

This layer is fitted inside curved glass on the top of the car, which the company claims enables them to use 50 per cent more energy over the same surface area than standard solar panels.

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