During the U.S. presentation of the new 2012 Fiat 500, the Italian company's Chief Engineer Fabio Dimuro explained to journalists the main differences and changes compared to the European specification model. These include - but are not limited to- exterior and interior improvements, the introduction of a more appropriate for American consumers Aisin 6-speed automatic transmission, additional insulation that helped reduce powertrain noise levels from 76 db to 71 db, the addition of MultiAir intake system to the 1.4-liter engine, while Fiat and Chrysler also worked together to redesign the car's rear-axle. Hop over the jump to watch the video. Read more »