Trade groups that represent the major automakers push for the U.S. and the European Union to harmonize safety and emission regulations. Did you know that the U.S. imports cars from 12 different countries, not counting Canada or Mexico? Hennessey takes one automaker’s high-performance pickup, caps the bed and turns it into an SUV. All that and more, plus John McElroy asks whether the 2014 Chevy Silverado can take on the Ford F-150.