GM's British arm - Vauxhall - warned Thursday (12/10/00) that both manufacturing and marketing costs would have to be cut to offset price reductions, writes the UK's Financial Times (12/10/00). The auto-maker - which announced Thursday (12/10/00) a 12 per cent price cut in its model range - said measures would be accelerated to improve productivity at its main UK manufacturing sites in Luton, Bedfordshire and Ellesmere Port, Merseyside.