DETROIT — The U.S. is making General Motors recall and service just about 6 million giant pickup vehicles and SUVs supplied with probably bad Takata air bag inflators. The determination introduced Monday via the National Highway Traffic Safety Administration will price the automaker an estimated $1.2 billion, about one 3rd of its web source of revenue this 12 months. GM had petitioned the company 4 occasions beginning in 2016 to steer clear of a recall, contending the air bag inflator canisters were protected at the street and in trying out. But house owners answered via accusing the corporate of placing earnings over protection. Takata used risky ammonium nitrate to create a small explosion to fill air luggage in a crash.