Mr. Monkey, Monkey Mechanic S02 E07 Miss Cow's Tractor Is Polluting the Environment

Miss Cow has a very messy problem. Her tractor blows out big puffs of black smoke and is polluting the environment. Can Mr. Monkey help Miss Cow stop the smoke but keep her tractor powered up? Yep. Mr. Monkey's got a BRIGHT idea. What is it? Watch and find out.