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The waste products of combustion leave the internal combustion engine through the exhaust valve.
Internal combustion engines produce a lot of waste heat. So much so that if this excess heat is not removed the engine will weld itself into a immobile blob.
Internal combustion engines are 4 stroke: 1) Intake (air/fuel mixture is introduced to combustion chamber) 2) Compression (piston rises to compress this mixture) 3) Ignition (spark is introduced to compressed fuel/air mixture ignited same) 4) Exhaust (waste product is expelled from combustion chamber)
pito
Heat engines work on the principle of internal combustion. Due to this total work in is not equal to work out by the engine. This difference is dissipated out in the surrounding as heat. This energy is just waste and in any system complete conversion of energy is never possible.
are there any byproducts made from recycled human waste?
You are probably thinking of waste dumps where methane is generated by the decay of organic matter, and where this methane is collected and used to produce electricity. Combustion engines can run directly from the methane coupled to a generator.
Diesel engines on boats are a waste of money.
Automobiles, airplanes, and improved ocean liners In NYC, it changed the pollution from organic solid waste to air-borne semi-organic.
caca or fucus
waste incineration
carbon dioxide :)