Jeep Fuel Economy Suffers If You Tow a Dodge Viper ACR Instead of a GTS

Ralph Gilles is a man of many talents. The global president of product design at Fiat Chrysler Automobiles isn’t just a respected man in the industry but also an out-and-out petrolhead. However, the more surprising thing about Ralph is that he’s also interested in his diesel-powered SUV’s fuel economy. Ralph’s towing warrior is a