It has a display that gives you real time information on your fuel consumption , and this is the most ingenious way that it helps deliver fuel savings . As you drive you can see what tendencies will help you lower your fuel consumption ( hint : acceleration bad , coasting good ) . The best fuel efficiency comes when you drive in the city . On the highway I only get 50 miles per gallon .

Why does it have a display that gives you real time information on your fuel consumption ?
None of the above choices .