The backup battery of the TGV M, a global innovation, is supposed to allow the train to operate in case of a power supply failure, but it is not yet fully operational. #TGV #SNCF #InnovationTransport (translated)

The backup battery of the TGV M, a global innovation, is supposed to allow the train to operate in case of a power supply failure, but it is not yet fully operational. #TGV #SNCF #InnovationTransport (translated)
