[TR] problem gas?

[Dave1massey at cs.com]

I've been told by folks in the industry that butanol also does not attack 
the rubber components in the fuel system the way ethanol does.

But will it be economically viable?  Ethanol is on the cusp.  Further 
processing suggest that butanol will not be.

Dave

In a message dated 6/12/2013 9:28:11 AM Central Daylight Time, 
don.hiscock at gmail.com writes: 
> From Wikipedia:
> One liter of ethanol contain 21.1 MJ, a liter of methanol 15.8 MJ and a
> liter of gasoline approximately 32.6 MJ. In other words, for the same
> energy content as one liter or one gallon of gasoline, one needs 1.6
> liters/gallons of ethanol and 2.1 liters/gallons of methanol.
> 
> The one to watch is butanol -- the 4-carbon alcohol.  This one has energy
> density similar to gasoline and easier storage/transport.  The biofuels
> guys are working now on conventional or enzymatic cracking techniques to
> take ethanol to butanol.