A survey report has been made according to consumption of fuel and demand of cars. In America and all over the globe we are aware that nowadays fuel prices are increasing day by day. The cars that cause lest pain at the pump and maintenance are almost exclusive cars for all.  We are much notice as gas prices hover near $4 a gallon nationwide, there are more than 20 SUVs and trucks that cost more than $100 to fill up. But, there are almost 20 cars that cost less than $50 to refuel. We crunched the numbers and found the cheapest cars in America to fill up.