DETROIT—GM has entered into a new cooperative research and development agreement with the U.S. Army Tank Automotive Research, Development & Engineering Center (TARDEC) to develop new hydrogen fuel cell technology.

DETROIT—GM is seeking a tax abatement of about $1.8 million over 15 years from the city of Detroit as it considers building a $121 million logistics center at its Detroit-Hamtramck Assembly Plant.

SPRING HILL, TN—GM will add a second shift at its assembly plant here to boost production of its Ecotec four-cylinder engine. Approximately 100 jobs will be added to the workforce.

ARLINGTON, TX—GM is investing more than $500 million to improve its assembly plant here.

CAIRO—GM has ceased production at its assembly plant here and shut its local office after deadly clashes between security forces and supporters of ousted president Mohamed Mursi.

LORDSTOWN, OH—GM has added a week of production at its assembly plant here to meet growing demand for the Chevrolet Cruze. The plant was originally scheduled to be closed the week of August 26, but now the plant will continue to operate as normal.

SPRING HILL, TN—GM will boost investment in its assembly plant here by $167 million for the production of two future vehicles.

NEW DELHI—GM has fired several employees after violations of company policy led to the recall of 114,000 of its Chevrolet Tavera sport-utility vehicles in India.

ROANOKE, IN—GM has added more than 400 hourly and salaried workers at its assembly plant here to help with production of the company’s revamped full-size trucks.

DETROIT—GM and Honda are collaborating to develop fuel cells and hydrogen storage technologies.