[Hidden-tech] Biodiesel

[Mark Bucciarelli]

On Sat, May 13, 2006 at 04:34:11PM -0400, Andy Klapper wrote:

> True, except one has to factor in any fossil fuels used to power the plant
> that manufactured the bio-diesel, the fuel used by farm equipment to grow
> the source crop (and the fertilizer), any non-bio-diesel fuel used to move
> the crop from the farm to the factory, and from the factory to the pump.
> Bio-diesel made from used cooking grease I guess you could exclude the farm
> side of things, but you still have the factory fossil fuel consumption.

exactly.

for biodiesel, it's around 22%.  so, co2 emissions go down by 78%.

if you make biodiesel from waste oil, instead of virgin gmo soy it would
be pretty close to 100%.

pop quiz--how many pounds of co2 does burning 1 gallon of gas produce?

m