[Gasification] An "Energy Rosetta Stone"

[Thomas Reed]

Dear David:

How could I ignore biodiesel when I was the first to develop it here at 
the Colorado School of Mines in 1990? 

I'll add to my list ASAP!!!

Thanks,

TOM REED      BEF

David G. LeVine wrote:
>> Our "Rosetta Stone Energy Table" below enables anyone to translate 
>> the obscure energy units we now use into the commonly understood kilowatts.
>>     
>
> It is truly unfortunate that your "Rosetta Stone Energy Table" 
> ignores Bio-Diesel and WVO as energy sources.  Both have exactly the 
> same environmental costs as Biomass, WVO has similar costs to slash 
> or tipping (i.e. waste that will need to be removed and transported) 
> and equivalent environmental costs (if organic CO2 is free for wood, 
> it is free for all grown products.)  Based on your chart, it is less 
> expensive than Biomass.
>
> Also, your chart totally misses some important costs.  AA batteries 
> have an environmental cost based on disposal, as does Biomass ash.
>
> You also assume that conversion efficiency is for ground based 
> vehicles or similar uses.  Petrochemicals and waste oil derived fuels 
> run in the 80%-95% efficiency range when used in good CHP 
> designs.  That is unless you have a pellet powered vehicle and can 
> measure the KW out vs. the biomass in.  While your "Rosetta Stone 
> Energy Table" is a start, it is a flawed, biased start and needs corrections.
>
> David G. LeVine
> Nashua, NH  03060
>
>
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>
>   

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