Machines | What an engine eats?(Automobile Engineering lecture in Bangla by Y.E.Cr)

What an engine eats? What an engine use to produce power? How engine use them? Do they pollute our nature? How they pollute and which of them pollute? You will find everything about these question. You'll also can answer these question. If you like then click like button, if not then comment why you dislike it? Do subscribe if you don't want to miss my next videos. Thank-you everyone. Md.Yeasin.