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<p>[QUOTE=&quot;Rono, post: 1091613, member: 6492&quot;]Pepperoni has it right.&nbsp; Ethanol is not really cost effective when using corn as the feed stock.&nbsp; Sugar cane has a different cost equation and is economically viable.&nbsp; Ethanol in the form of E-85 is a very good fuel and a nice compliment to other fuels.&nbsp; It&#039;s cleaner, but more corrosive.&nbsp; That&#039;s why flex fuel engines have stainless plumbing.&nbsp; Where the interest is, is with waste wood and switch grass and corn storge (i.e. stalks and such).&nbsp;&nbsp; The issue is getting it to ferment sufficiently to make alcohol before distillation.&nbsp; They&#039;re working on the yeast/sugar additive mixture and makeup to get the mash right.&nbsp; Compressed nat gas is the cleanest fuel by far.&nbsp; &nbsp; After 100K, your engine still looks brand new.&nbsp; Minimal emissions.&nbsp; Safter.&nbsp; However, zilch for a distribution network because it&#039;s not gasoline.&nbsp; Propane is also a good fuel when you can use bottles.&nbsp; Batteries are great but have little range and you need to be close to an outlet.&nbsp; That&#039;s why so many of these exotic fuels are great in a hub &amp; spoke operation.&nbsp; Nat gas is the nut.&nbsp; Outfit your local delivery fleet for $2K a vehicle.&nbsp; Intall a $5K compressor and tap off your regular natural gas service.&nbsp; Fuel costs would be under a dollar a gallon equivalent.&nbsp;&nbsp; At MDOT back in the 90&#039;s, we were running 6 different fuels at one time.&nbsp; Gas, diesel, propane, E-85, CNB and electric.&nbsp; And they&#039;ve got solar receptors on quite a bit of stuff (lights, flashing arrows, traffic counters, etc.).&nbsp;&nbsp; And this will be the future - various fuels for various uses.&nbsp; They&#039;ve all got their strengths and weaknesses.&nbsp; </p><p>&nbsp;</p><p>peace,</p><p>&nbsp;</p><p>rono[/QUOTE]</p><p><br /></p>

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