[WardL]

Your lawn mower will run fine on winter gas. Your snowmobile may not start very well on summer gas if it is very cold outside. If it starts on summer gas, it will probable run ok.

The use of ethanol has very little to do with clean air or the EPA. It is all about the corn lobby buying the US Congress in 2005. Congress passed a bipartisan law to require more and more ethanol in gasoline. Bush signed it. Obama had nothing to do with it. Modern day automobiles do not require ethanol in gasoline to produce lower exhaust emissions. Excellent example of the best government money can buy.