Age, occupation, type of car, gasoline type, positive attitude, and negative attitude have significant impacts on chance of using eco-cars while gender, marital status, education, income per month, fuel expense per month, and energy saving of the car have insignificant impact. The results have also been confirmed that age, occupation, type of car, fuel expenditure per month, gasoline type, car’s energy saving, and both positive and negative attitude have significant
impacts on the chance of using eco-cars.