HomeRoast Digest


Topic: OT?: Another use for coffee grounds (3 msgs / 41 lines)
1) From: Coffee
Hi,
I came across this article about a coffee powered truck. It's kind-of  
about coffee...http://tinyurl.com/48tmfq-Peter
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2) From: raymanowen
How far would a pound of 102 octane grounds move the Land Barge- to the next
roast or just out of the drive? -ro
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3) From: Seth Grandeau
Let's see, a pint's a pound, the world around, so that's 1/8 gallon.  IIRC,
the efficiency of coal gasification is 30-50%.   I'm assuming that coffee
gasification is lower, let's call it 25% for easy math.  That means you have
1/32 of a gallon of gasoline equivolent.  Let's say your Land Barge gets 16
MPG, that means a pound of used grounds will move you roughly 1/2 mile,
probably less.  So, it should get you out of drive, but only to your next
roast if it's real close.
On 5/16/08, raymanowen  wrote:
<Snip>
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