The RAC Brighton to London Future Car Challenge is open to the latest electric, hybrid and low-emission passenger cars and light commercial vehicles.
The challenge is to drive from Brighton to London using the least energy possible within the 2hrs 45min minimum and 3hrs 30min maximum time permitted.
This year's drivers include former Formula 1 champion Damon Hill.
This Royal Automobile Club event is a very public showcase for low-energy vehicles.
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