SAN ANTONIO—Toyota Motor Corp. is investing $391 million at its truck assembly plant here. The new spending brings the automaker’s total investment in the factory to more than $3 billion.

MONTGOMERY, AL—Hyundai Motor Manufacturing Alabama recently announced that it’s preparing to invest nearly $300 million more in new machinery and equipment for its factory here.

DETROIT—General Motors and UAW negotiators continued bargaining Monday in the second week of the union's strike, which is now the longest widespread work stoppage by the UAW since 1985.

DETROIT—Nearly 50,000 members of the United Auto Workers went on strike Monday against General Motors, bringing more than 50 factories and parts warehouses to a standstill in the union’s first walkout against the automaker in more than a decade.

DUBLIN, VA—Volvo Trucks North America is using 3D printing technology to produce tools and fixtures for its assembly plant here.

BOWLING GREEN, KY—Bendix Spicer Foundation Brake LLC has begun construction on a 130,000-square-foot expansion of its wheel-end assembly plant here. The $65 million addition will increase air disc brake production capacity to keep pace with accelerating customer demand in North America.

FAYETTEVILLE, TN—Hirotec Group, a global automotive supplier specializing in the production of body-in-white closures, exhaust systems and closure manufacturing equipment, will invest $48 million to build a new assembly plant here.

MINERAL SPRINGS, WV—Japanese truck maker Hino Motors Manufacturing officially opened a new assembly plant here to produce medium- and heavy-duty trucks.