A look at developments in the auto industry

A look at developments in the auto industry Friday:

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_General Motors Corp. said it plans to reopen a shuttered U.S. factory to build subcompact cars that will be the smallest vehicles the automaker has ever produced in the U.S. The move comes as GM prepares to announce the fate of the poster child for gas guzzlers, the Hummer brand. The retooled factory will be able to build 160,000 cars per year, GM said. It would create 1,200 jobs, offsetting some of the 21,000 that will be lost when GM closes the 14 factories by the end of next year.

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_The United Auto Workers ratified a package of concessions designed to reduce GM's labor …