The National Highway Traffic Safety Administration expects to be ready to take action within two weeks to accelerate product recalls to reduce the safety risks associated with gas tank fires in older Jeep sport utility vehicles and exploding Takata Corp (7312.T) airbags, the agency’s top official said on Tuesday. NHTSA Administrator Mark Rosekind told reporters that he expects agency staff to present a plan of options in each case early next month and vowed to be as aggressive as possible to minimize dangers posed by the deadly defects.