GM in early talks to buy Chrysler: source General Motors Corp. (NYSE:GM) is in preliminary talks to buy Chrysler, the struggling U.S. arm of DaimlerChrysler AG (DCXGn.DE) (NYSE:DCX), or to strike a strategic alliance with the rival automaker, sources familiar with the situation said on Friday. U.S. regulators revoke steel tariffs Trade regulators on Thursday revoked most of the 13-year-old tariffs and duties against imports of a high-grade steel used in cars, giving U.S. and Japanese automakers a holiday surprise.