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Tuesday 30 September 2014

Ford's bright new car

Published 28/01/2014 | 05:38

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FORD Motor Company has unveiled the C-MAX Solar Energi Concept, a first-of-its-kind sun-powered vehicle with the potential to deliver the best of what a plug-in hybrid offers - without depending on an electricity grid for fuel.

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Instead of powering its battery from an electrical outlet, Ford C-MAX Solar Energi Concept harnesses the power of the sun by using a special concentrator that acts like a magnifying glass, directing intense rays to solar panels on the vehicle roof.

The result is a concept vehicle that takes a day's worth of sunlight to deliver the same performance as the conventional C-MAX Energi plug-in hybrid, which draws its power from the electricity grid.

By using renewable power, Ford C-MAX Solar Energi Concept is estimated to reduce the annual greenhouse gas emissions a typical owner would produce by four metric tons.

SunPower, which has been Ford's solar technology partner since 2011, is providing high-efficiency solar cells for the roof of the Ford C-MAX Solar Energi Concept.

Because of the extended time it takes to absorb enough energy to fully charge the vehicle, Ford turned to Georgia Institute of Technology in the United States for a way to amplify the sunlight in order to make a solar-powered hybrid feasible for daily use.

Researchers developed an off-vehicle solar concentrator that uses a special Fresnel lens to direct sunlight to the solar cells while boosting the impact of the sunlight by a factor of eight.

Fresnel is a compact lens originally developed for use in lighthouses.

Similar in concept to a magnifying glass, the patent-pending system tracks the sun as it moves from east to west, drawing enough power from the sun through the concentrator each day to equal a four-hour battery charge (8 kilowatts).

With a full charge, Ford C-MAX Solar Energi Concept is estimated to have the same total range as a conventional C-MAX Energi of up to 620 miles, including up to 21 electric-only miles.

Additionally, the vehicle still has a charge port, and can be charged by connecting to a charging station via cord and plug so that drivers retain the option to power up via the grid, if desired.

Ford and Georgia Tech are soon to begin testing the vehicle in numerous real-world scenarios.

The outcome of those tests will help to determine if the concept is feasible as a production car and whether it would be viable in a climate where strong sunlight is less plentiful than it is in parts of the United States and Asia and for that matter, Ireland.

New Ross Standard

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