The new international championship for fully-electric racing cars just held its first major test session at the Donington Park circuit in Leicestershire, England.
The series kicks off with a race through the streets of Beijing in September. It will include events in 10 cities, concluding with an "E-prix" around London's Battersea Park next June.
Organizers hope it will transform the way we think about electric cars, as well as providing a test-bed for new technologies, which can help to improve their performance.
The Donington test marks the first time the cars have run in anger - and the first time members of the public have been able to see how they compare to more traditional racing machines.
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