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Re: OT: Gas Prices
Quote:
"The U.S. Postal Service Has The Largest Alternative Fuel Vehicle Fleet In The World. Almost 13 percent of the 289,000 vehicle fleet are alternative fuel vehicles such as hybrids, biodiesel, compressed natural gas, and hydrogen fuel cell vehicles." http://www.whitehouse.gov/infocus/energy/ Its just an example of the changes that are already being made. Did you know they already pay farmers to grow corn? http://www.ewg.org:16080/farm/region.php?fips=00000 When the demand is there for the ethonal, the corn farmers will sell their corn for that purpose as it will make them more money. Is Ethonal the best solution? Probably not. Is it better than oil? It sounds like it. |
Re: OT: Gas Prices
As the resident Brazilian, I thought I'd pop in and add these tidbits:
"Despite having the world's largest sugarcane crop, the 45,000 sq km Brazil currently devotes to sugarcane production amount to only about one-half of one percent of its total land area of some 8.5 million sq km. In addition, the country has more unused potential cropland than any other nation." Brazil no longer subsidizes its ethanol production. It was heavily subsidized at one point, but is no longer so. There seems to be some debate about whether 'ethanol takes more energy to produce than it yields'. In any event this debate is over corn ethanol, while sugarcane ethanol produced in Brazil (where sunlight is much more plentiful) has a higher yield. There are some drawbacks to ethanol, the main one (which most Brazilians are familiar with) being that ethanol engines have trouble starting in cold weather. All in all I'd say ethanol doesn't work as a 100% substitute for gasoline, but it works as a 'let's consume less fossil fuels so we have more time to develop alternative technologies' kind of solution, especially if mixed into gasoline (Brazil already uses a 20/80 mix, I believe) or in bifuel cars which start up on gasoline and switch to ethanol once they're running, thus bypassing the cold-weather problems. |
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