As if Japan wasn’t going through enough turmoil it’s now facing a currency crisis as the value of the yen surges. Sulfur in gasoline is a surprising roadblock to more efficient engines. The U.S. Environmental Protection Agency is offering fuel economy window stickers for used cars, and anyone can print them out. All that and more, plus John sits down with Roberto Giolito, the head of Fiat and Abarth design, to chat about how the company created a modern version of its iconic Cinquecento.