New cars & new drivers on track! Formula E season 4 testing (Day 1)

Marc Priestley is joined by Sam Smith from e-racing365.com in Valencia, where Formula E has been taking to the track for the first day of testing ahead of the new season.

Catch up on all the latest off-season news - including driver changes and team management developments - and watch the new cars get put through their paces. Who'll be on the front foot in Hong Kong?