Brexit: carmakers step up warnings on impact of uncertainty

Vauxhall owner suggests Astra plant’s future in doubt, as other chiefs say investment decisions held upCar manufacturers have stepped up warnings about the impact of Brexit on one of the UK’s key industries, led by suggestions from the owner of Vauxhall that the future of its Astra plant was in doubt.Jaguar Land Rover also said it could not plan to make electric cars in Britain until the terms of its departure from the EU were clear, as a series of industry executives called for clar