Italian carmaker Fiat has begun efforts to win support for its plan to take over Vauxhall and Opel, part of General Motors' European business, which is under pressure to sell as GM faces potential bankruptcy in the US and has until 1 June to restructure. ┬á Fiat is already trying to take over some of Chrysler, the US carmaker that has applied for bankruptcy protection, and there are some who are unhappy about FiatÔÇÖs latest endeavors to take GM.