The U.S. auto industry is entering one of its biggest factory-building booms in years, a surge of spending largely driven by the shift to electric vehicles and new federal subsidies aimed at boosting U.S. battery manufacturing.Through November, about $33 billion in new auto-factory investment has been pledged in the U.S., including money for the construction of new assembly plants and battery-making facilities, according to the Center for Automotive Research, a nonprofit organization based in Michigan.Continue reading your article witha WSJ membershipa WSJ membershipAlready a member?Sign In- Michael Kors:Sign Up For Michael Kors KORSVIP + Get 10% Off your First Purchase w/ Michael Kors coupon- JCPenney:Today's JCPenney coupon code - 30% off entire purchase- Target:Get 20% Off with online Target promo code- T.J. Maxx:Get Free delivery when you sign up for emails - TJ Maxx Code- Best Buy:Avail as much as $650 less on refrigerators on sale- Macy's:Macy's coupon - Sign up to get 25% off next order"