Going all-electric in the US does not appear to have worked too well for Smart, as we noted in this article. "Might the initial results of a strategy which has been Smart US dropping its petrol-powered Fortwo range hold a warning for others? In November, the brand was not only outsold by Lamborghini but Rolls-Royce was the only make which delivered fewer cars." As automakers dive headlong into 'e-mobility', does a cautionary tale lie therein?