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Unformatted text preview: mixture with identical knocking properties is called the octane rating of the gasoline. Oxygenated gasolines are blends of gasoline that contain oxygenated organic compounds such as alcohols or ethers to cause the gasoline to burn more cleanly. 32. The advantages include that methanol burns more cleanly than gasoline, and levels of troublesome pollutants such as carbon monoxide, unreacted hydrocarbons, nitrogen oxides, and ozone are reduced. Disadvantages include that there is concern about the higher exhaust emissions of carcinogenic formaldehyde from methanol-powered vehicles....
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- Spring '08
- Chemistry, Benzene, Carbon monoxide, Gasoline