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pipehead, I think you meant hygroscopic. Regardless, how does that affect pipeline transport of ethanol? And where does the water come from?

dcasto, To my knowledge, all vehicles manufactured and operated within Brazil can operate on 100% ethanol or 100% gasoline or any mix in between. Every gas station has pumps that a motorist can set to the desired mix before filling their tank. I rather doubt all those vehicles have costly...

JLS, Ethanol is ethanol. How is ethanol derived from petrochemical sources different from ethanol derived from agricultural sources? Also, can anyone point me to an unbiased article that discusses the pros and cons of shipping ethanol via pipeline? Next, how is ethanol today collected and...

JLSeagull, Please define for this neophyte what is an elastomer and elastomer swelling in the context used in this thread.

But shipping ethanol itself, whether it picks up water or not, is and of itself not dangerous or any more explosive than shipping gasoline, diesel, kerosene or jet fuel in the same pipeline? How are the different commodities separated in a pipeline? How much intermixing occurs? How are such...

Is there any reason why ethanol in bulk cannot be transported by a mixed commodity pipeline (i.e., one that also ships gasoline, diesel, jet fuel, etc.)?