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 .

pick from the following.
(1). Because coasting is good .;
(2). Because acceleration is bad .;
(3). Because it 's ingenious .;
(4). None of the above choices .;
Q: Why does it have a display that gives you real time information on your fuel consumption ?
(4).