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Mike wrote: > E 85 is 85% ethanol 15% dino! I always thought it was the opposite > also!!! Better Keep Reading if you want to stay well informed! Mike Most gasolines these days, notably in the north-northeast US in winter, have about 10% or so ethanol as an oxygenator. That 10% is not enough to play real havoc with fuel lines in that concentration, nor really mess with existing engine management systems. MTBE was mandated by the feds several years ago to be used as an oxygenator for winter fuels despite the fact that it was absolute poison for groundwater in the event of leakage (which is inevitable when you have underground tanks). Many service stations were forced to either reline or dig out their tanks or get out of the fuel business in the late 90's. Now, MTBE is effectively banned as an oxygenator (because, duh, the groundwater was being poisoned) and ethanol is used instead. Unfortunately, ethanol just doesn't have the energy of gasoline, so fuel economy suffers in winter as a result, above and beyond the normal inefficiencies of engines that stay colder longer. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~