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Anti-knock fluid, commonly known as octane booster, is primarily made from compounds such as tetraethyl lead (historically) or more modern alternatives like methanol, ethanol, and various aromatic hydrocarbons. These substances help to improve the octane rating of gasoline, reducing engine knocking and allowing for smoother combustion. Additionally, modern formulations may include other additives to enhance performance and reduce emissions. However, due to environmental and health concerns, lead-based anti-knock agents are now largely phased out.

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2d ago

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