u mean high school harry? (i relate)
human nature is such that while one waits discussion tends to be around what they like or know best. due dilligence has been done over the years to the max, but, true, that does not mean everyone has done dd. some would benefit from what others have done and posted previously. when i find something i like, i save it as i know someone would benefit from it later. stockman's post here is an example:
"In the U.S., we currently have in place the Renewable Fuel Standard, which mandates the production of
12.95 billion gallons of renewable fuel in 2010 to promote the development of renewable transportation
fuels. Ethanol – which is the most commonly used renewable fuel in the market today – currently
consumes almost 35% of the corn and 28% of the sorghum grown in the U.S. each year to meet
demand, putting significant price pressures on both of these commodities. With over 136 billion gallons
of gasoline consumed each year, these crops alone will be hard pressed to make a significant impact on
the consumption of oil. By 2020, the RFS calls for 30 billion gallons of renewables to be in the
transportation fuel pool, an almost three-fold increase over current consumption. By spreading out the
production of fuel over multiple feedstocks, we can more quickly realize our goal of employing
domestically-produced fuels in the transportation sector.
In order to produce 30 billion gallons of methanol fuel, we would need to
only tap into less than 5% of three abundant resources in the United
States which have proven technologies for conversion to methanol.
According to the U.S. Energy Information Administration (EIA), 21.2
trillion cubic feet (Tcf) of dry natural gas was produced in the United
States in 2008. With about 100 cubic feet of natural gas needed to
produce one gallon of methanol, the production of 10 billion gallons of
methanol would require 1 Tcf of natural gas, or less than 5% of current
domestic natural gas production. Again, according to the EIA, the U.S. produced 1,171 million short
tons of coal in 2008. It takes about 5,000 short tons of coal to produce one million gallons of methanol
using proven gasification technology. The production of 10 billion gallons of methanol would require 50
million short tons of coal, or just 4.2% of current coal production. Finally,
according to a joint DOE/USDA report, U.S. forestland and agricultural land
- the two largest potential biomass sources - represent over 1.3 billion dry
tons per year of biomass potential, which alone is enough to produce
biofuels meeting more than one-third of the current demand for
transportation. Using mature gasification technology, one ton of biomass
can be used to produce 165 gallons of methanol, as opposed to only about
100 gallons of cellulosic ethanol. The production of 10 billion gallons of
methanol would require 60 million tons of biomass, or less than 5% of the
biomass production potential. With these three feedstocks alone, we could
produce 30 billion gallons of methanol fuel and meet our fuel diversity goals
from less than 5% of the current production capacity of each.
i save the best of the best posts, as my chemical computer doesnt always retain all and everything about methanol, ecsl and the potential. doesnt mean anyone else gives a hoot.
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