About mechanical project?

i m a final year student of mechanical engg...now i need to make a major project.But i have not any idea on which i can make my project.so please sugesst a suatable idea or it will be better if you give me ideas rather then idea,so i can start my major project.i want to be a different and attentive project.so when everyone see my project they should be surprise.it will be better if it is related to the automobile.i will be very thank full..