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Write short note on: Alternate fuels in I.C.Engines.
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  • The rapid decline of fossil fuels and their constantly increasing prices have led to growing interest and search in the area of alternative options for these fuels.
  • Methanol and ethanol are good substitutes for petroleum fuels, and can be made readily from non-petroleum sources and by fermentation of carbohydrates and starch found in biomass and other natural products like sugarcane, potatoes and corn.
  • Biodiesel is a form of diesel fuel manufactured from natural oils, animal fats or recycled restaurant greases.
  • Ammonia and hydrogen are also being researched as fuels for S.I. engines offering a carbon free fuel solution.
  • Compressed natural gas (CNG) is a clean burning alternative fuel. It can be used in compressed or liquefied form to fuel vehicles.
  • Many vegetable oils can be used in diesel engines like peanut oil, linseed oil, and sunflower oil.
  • Cold pressed rapeseed oil (KRO) has been investigated for use as fuel in light duty vehicles.
  • Biogas is also being researched and increasingly adopted as a sustainable fuel for I.C. engines.
  • Algae-based biofuels and liquid nitrogen are also seen as promising options for future research.
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