This story was originally published on Manufacturing Dive. To receive daily news and insights, subscribe to our free daily Manufacturing Dive newsletter. Dive Brief: General Motors said it plans to invest a combined $830 million across three U.S. automotive factories, bringing its total spend in U.S. manufacturing to $6 billion over the past year. The installments will expand 10-speed transmission production at GM’s major facilities in Romulus, Michigan and Toledo, Ohio, as well as V-8 engine block and ...