By Nick Carey LONDON (Reuters) – Automotive Cells Co (ACC) has partnered with UK startup Circulor to check the provenance and embedded carbon emissions of raw materials the France-based battery maker uses for electric vehicle (EV) battery cells, the two companies said on Wednesday. ACC is a joint venture between Stellantis, TotalEnergies and Mercedes-Benz Group. Launched in 2020, ACC has announced EV battery plants in France, Germany and Italy with a 7 billion-euro ($7.6 billion) investment. The French plant should start mass production soon. Circulor, which uses blockchain technology to map s…