Save the oily engine most

But under high speed situation, electricity idea the trace trace trace trace disappearing goes to be infected by touch, the idea supplies with driving force only by gasoline scheme , this is also row three ... of fourth therefore motorcycle type is identical with the sort, I am not to look for save most oily vehicle at the moment; But be to look for an idea one scheme. Want to know if the city has such one scheme idea on the road; Be a minor row amount very much; But get ... And high speed conditions , electric idea missing go forth, only on gasoline infection impress curator idea , so with general powered vehicles specimens , this also is fourth place three..Now I'm not looking for the most fuel-efficient cars , but to have one paragraph strategy idea. The Want to know city saves the oily engine most