[[Category:Chemistry]]The latest automotive grade of ethanol in Canada has 1% water. This is specified by the CSB, the Canadian Standards Board. Water is terrible for any fuel injection system and will probably lead to corrosion of the fuel injectors and fuel pumps.
The auto fuel ethanol government standards in Brazil, do not allow any water.
One major gasoline wholesaler and retailer in Canada has used 8% ethanol in all it's its grades of gasoline for over 10 years because it was one of the cheapest ways to boost the octane rating of gasoline. The R+M rating of ethanol is 104.
Etnanol Ethanol has about 36% oxygen by weight whereas normal gasoline has no oxygen.This is why a car runs much smoother at very low temperatures during the first 2 or 3 minutes as the oxygen content in ethanol enhanced gasoline allows a hotter, cleaner burn. --[[User:MARK4PROPANE|MARK4PROPANE]] 20:05, 12 May 2007 (EDT)