NHTSA is expanding its investigation into fuel tank fires in Jeep Grand Cherokees. Looking back now to the early 1990’s. GM just filed for trademark of the name LTS. Could this be what the long-awaited Cadillac flagship will be called? For the first five months of the year, worldwide VW Group sales hit 3.65 million units, an 8.4 percent gain compared to last year. All that and more, plus a preview of Autoline This Week with Paul Ingrassia the author of the new book “Engines of Change.”