Opel Ampera-e: 750 km on one Charge.

An Opel Ampera-e travelled 750 km on one charge and got filmed along the way by a team of German VOX channel. The record range was reached by extreme “hypermiling” that is driving at 40 – 50 kph mostly and so the trip from Görlitz to Aachen took 25:30 hours.
electrek.co, carscoops.com