The DOE, in partnership with Petron Corp., unveiled late Tuesday the most fuel efficient gasoline- and diesel-fed vehicles after the 12th fuel economy run or the country’s first Euro 4 Fuel Eco Run.  Among 38 gasoline-fed vehicles, the Suzuki Celerio A/T was the most fuel efficient car consuming 29.14 kilometers per liter (km/L). On the other hand, the Isuzu D-Max registered a 38.46 km/L consumption, the most efficient among 32 diesel-consuming vehicles.  Read more here.