SPRINGFIELD, MA—Weapons maker Smith & Wesson announced last week that it will relocate its headquarters to Tennessee in 2023, citing the increasingly hostile political climate here.

CAMBRIDGE, MA—Massachusetts Institute of Technology researchers have developed the RoboGrammar system, which automatically generates an optimal structure and controller for an arthropod-inspired robot to traverse a given terrain.

WOOD DALE, IL—Linear motion control manufacturer Thomson Industries Inc., recently sponsored the Dirt-Torpedo, a device built by DHBW Baden-Wuerttemberg Cooperative State University students, that competed in Elon Musk's "Not-a-Boring Competition" for tunnel building last month.

CEDAR KNOLLS, NJ—New Jersey Manufacturing Extension Program Inc. has opened a new training facility in Bellmawr, NJ, to provide local manufacturers with easier access to training and consulting services.

LOUISVILLE, KY–GE Appliances has opened an assembly line for making four-door refrigerators at its plant here, part of a $60 million investment in the facility.

HOUSTON—Local Motors, a motor-vehicle manufacturer, and SABIC, a chemical company, have completed a joint study on the feasibility of recycling scrap thermoplastic parts and shavings from the 3D printing process, rather than sending them to a landfill.

HUTCHINSON, KS—Superior Boiler, a manufacturer of industrial and commercial boilers and boiler room equipment, recently unveiled its third and newest manufacturing facility.

MEXICO CITY—Representatives from Mexico and Canada are seeking formal consultation with the United States over the interpretation of content rules for automobiles set out in the United States-Mexico-Canada Agreement (USMCA), which took effect July 1, 2020.

LAKE ORION, MI—Production of 2022 Chevy Bolt passenger cars and sport-utility vehicles at the General Motors plant here will cease for at least the next two weeks. GM is investigating possible lithium-ion battery defects that increase the risk of fire and led to its global recall of the Bolt late last month.

SELMER, TN—GE Appliances is investing $5 million to produce vertical terminal air conditioners at its Monogram Refrigeration plant here.