The Nano, christened to connote the combination of small size and low cost, is the showcase product of India's diversified Tata group. The rear-engined, four-passenger city car built by Tata Motors, was aimed primarily at the Indian market. The car has a fuel efficiency of around 26 kilometers per liter (73 mpg-imp; 61 mpg-US) on the highway and around 22 kilometers per liter (62 mpg-imp; 52 mpg