"Biofuel boom raises tough questions"
Mar. 10th, 2007 10:36 pmA decent Q&A/discussion of the "advantages" of biofuel/ethanol vs gasoline. I particularly liked this quote:
IS ETHANOL BETTER THAN GASOLINE?
For all the environmental and economic troubles it causes, gasoline turns out to be a remarkably efficient automobile fuel. The energy required to pump crude out of the ground, refine it and transport it from oil well to gas tank is about 6 percent of the energy in the gasoline itself.
TFA (The Fine Article) goes on to say that it takes about four gallons of ethanol used in the raising/harvesting/etc. of corn to produce three gallons of ethanol.
Uh-huh.
Doesn't that mean that it is -25% fuel efficient to produce?
It was my understanding that sugar cane was the ideal crop for producing ethanol and that it was more energy efficient than oil production, but TFA doesn't mention it. Heaven forbid that the gub'mint should reduce or eliminate, nay, even discourage!, the production of corn!
The concept of fuel production competing with food production concerns me.
http://hosted.ap.org/dynamic/stories/E/ETHANOL_QA
IS ETHANOL BETTER THAN GASOLINE?
For all the environmental and economic troubles it causes, gasoline turns out to be a remarkably efficient automobile fuel. The energy required to pump crude out of the ground, refine it and transport it from oil well to gas tank is about 6 percent of the energy in the gasoline itself.
TFA (The Fine Article) goes on to say that it takes about four gallons of ethanol used in the raising/harvesting/etc. of corn to produce three gallons of ethanol.
Uh-huh.
Doesn't that mean that it is -25% fuel efficient to produce?
It was my understanding that sugar cane was the ideal crop for producing ethanol and that it was more energy efficient than oil production, but TFA doesn't mention it. Heaven forbid that the gub'mint should reduce or eliminate, nay, even discourage!, the production of corn!
The concept of fuel production competing with food production concerns me.
http://hosted.ap.org/dynamic/stories/E/ETHANOL_QA
no subject
Date: 2007-03-11 02:16 pm (UTC)"President Bush proposes that we replace 20 percent of our current gasoline consumption with ethanol over the next decade. But it's well-known that even if we turned every kernel of American corn into ethanol, it would displace only 12 percent of our annual gasoline consumption. The effect on global warming, like Kyoto, would be too small to measure, though the U.S. would become the first nation in history to burn up its food supply to please a political mob."
http://www.cato.org/pub_display.php?pub_id=8021
no subject
Date: 2007-03-11 04:40 pm (UTC)As I understand it, sugar cane is also an amazingly self-regenerating crop that's pretty easy on the land, but why should we bother with that? Might as well grow hemp. ;-)
no subject
Date: 2007-03-11 05:25 pm (UTC)I'm not sure why I thought of that. Maybe it's because growing sugar isn't necessarily easy.