They are the only manufacturer of solid-state batteries for electric vehicles on an industrial scale – and yet they are hardly in the spotlight: French Bolloré subsidiary Blue Solutions developed and commercialised batteries with solid-state electrolyte years ago. Their most prominent customer is Daimler.

Mercedes-Benz has presented the articulated version of its electric city bus as eCitaro G and says deliveries will begin before the end of this year. The manufacturer also announces the first battery update – for both solo and articulated models.