A worker on a Chrysler car lot passes lines of mostly Jeep SUVs Tuesday, Dec. 2, 2014, in San Diego. Black Friday promotions  coupled with falling gas prices, low-interest loans and hot new vehicles  drove U.S. auto sales higher in November, kicking off what&#8217;s expected to be a strong holiday season. Chrysler, which sells Jeep cars, posted its best November in 13 years. (AP Photo/Gregory Bull)