Originally Posted By: 440Magnum
Ethanol has a much worse reputation than it deserves as an additive. Its terrible as an alternative fuel, as E85 proves, but it does a lot of good as an additive. Its a good octane booster, its a great water remover and prevents corrosion as a result, and its a decent fuel system cleaner. Once you remove the few rubber components from OLD vehicles that are susceptible to damage, it does not cause any issues.
Yes, it lowers gas mileage. So do many additives in gasoline, to one degree or another. So did MTBE when it was used as ethanol is now, just not nearly as much since it had a higher energy density. But given its high toxicity and habit of seeking-and-destroying ground water, I'll take the ethanol. Ethanol's worst feature (IMO) is that it shortens the shelf (tank) life of gasoline more than most other oxygenate additives do.
Depending on the engine. For the standard flex fuel engine that has been designed primarily for gasoline, but allows use of E85, you would be somewhat correct. For the newer designed Ricardo EBDI V6 and the Cummins 2.8L E85 engines that are just around the corner, your statements would be in error. Those engines are giving even their diesel counterparts a run for their money in HP, Torque, and fuel economy. They are offering the power of N/A gas engine over twice their displacement and giving higher mpg numbers to boot.
The problem with economy is not the fuel, it is the engine design. To get most out of a fuel, the engine needs to be designed primarily to run it.
As for issues with ethanol, many of us in Iowa have used E10 since it started showing up in the late 70's. I have not had any fuel related issues with it, nor have I seen first hand any fuel related issues, except some early filter plugging that occurred as the ethanol cleaned out the fuel systems. Virtually every negative issue has more to do with operator error than the fuel. I have used it for years in various JD riding and zero turn lawn mowers without ever an issue. I will concede that some 2 strokes have a problem with it when it is stored improperly.
Ethanol has a much worse reputation than it deserves as an additive. Its terrible as an alternative fuel, as E85 proves, but it does a lot of good as an additive. Its a good octane booster, its a great water remover and prevents corrosion as a result, and its a decent fuel system cleaner. Once you remove the few rubber components from OLD vehicles that are susceptible to damage, it does not cause any issues.
Yes, it lowers gas mileage. So do many additives in gasoline, to one degree or another. So did MTBE when it was used as ethanol is now, just not nearly as much since it had a higher energy density. But given its high toxicity and habit of seeking-and-destroying ground water, I'll take the ethanol. Ethanol's worst feature (IMO) is that it shortens the shelf (tank) life of gasoline more than most other oxygenate additives do.
Depending on the engine. For the standard flex fuel engine that has been designed primarily for gasoline, but allows use of E85, you would be somewhat correct. For the newer designed Ricardo EBDI V6 and the Cummins 2.8L E85 engines that are just around the corner, your statements would be in error. Those engines are giving even their diesel counterparts a run for their money in HP, Torque, and fuel economy. They are offering the power of N/A gas engine over twice their displacement and giving higher mpg numbers to boot.
The problem with economy is not the fuel, it is the engine design. To get most out of a fuel, the engine needs to be designed primarily to run it.
As for issues with ethanol, many of us in Iowa have used E10 since it started showing up in the late 70's. I have not had any fuel related issues with it, nor have I seen first hand any fuel related issues, except some early filter plugging that occurred as the ethanol cleaned out the fuel systems. Virtually every negative issue has more to do with operator error than the fuel. I have used it for years in various JD riding and zero turn lawn mowers without ever an issue. I will concede that some 2 strokes have a problem with it when it is stored improperly.