Fill a container (test tube or jar) with 9 parts gas and 1 part water then shake. If the resulting mixture is still 9 parts gas and 1 part water, no ethanol. Assuming 10% ethanol, the mixture will be 8 parts gas with 2 parts "water". ----- Original Message ----- From: RayRadar@xxxxxxx To: pa28235@xxxxxxxxxxxxx Sent: Saturday, July 15, 2006 10:07 PM Subject: [PA28235] Re: ethanol in mogas - Reply and Question Hello all! This Mogas debate has been very interesting to watch and unfold. On the matter of ethanol testing, what all is entailed? Interested, RLA