LISLE, IL—Members of the UAW have ratified a four-year contract with truck maker Navistar International Corp. that will provide workers with a combination of wage increases and bonuses, while maintaining a two-tier wage scale for new hires and veteran employees.

WINDSOR, ON—A $2 billion investment by Fiat Chrysler Automobiles into the development and production of its next-generation minivan will mean the largest retooling project for the Windsor Assembly Plant since the 1980s. The investment includes more than 860 new robots, 800 feet of flexible production lines, and retooling approximately 80 percent of its general assembly area.

ORANGEBURG, SC—Koyo Bearing North America will invest $10 million over the next five years to overhaul equipment at its assembly plant here.

MCLEAN, VA—U.S. machine tool sales totaled $506.89 million in December, according to AMT—The Association For Manufacturing Technology. That’s an increase of 32.7 percent from November and 4.7 percent from December 2013. All totaled, U.S. machine tool sales exceeded $5 billion in 2014, an increase of 3.1 percent compared with 2013.

ORION, MI—GM is planning to build the Chevrolet Bolt, a $30,000 electric car, at its small-car assembly plant here.

MESA, AZ—A rebar manufacturing plant here was evacuated last week after several artillery shells were found in a shipment of scrap steel. A fire department spokesman said the load might contain more than 100 rounds.

EVERETT, WA—Héroux-Devtek Inc., which makes the landing gear for Boeing’s 777X, will assemble that equipment at a new factory here.

ATLANTA—Georgia Gov. Nathan Deal visited with executives of British auto giant Jaguar Land Rover to discuss a possible U.S. factory during an economic development mission to the United Kingdom last month.

PROMONTORY, UT—One person was injured as a result of an explosion late Thursday afternoon at Autoliv’s air bag assembly plant here.

WASHINGTON—The Ontario government has sold its final 36.7 million shares of General Motors Co. it received as part of Canada’s $10 billion government bailout of the Detroit automaker.