Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-12 Thread Zeke Yewdall
I was trying to theorize on what using a 100% ethanol fuel would be
like. From MH's experience, it seems pretty obvious that 10% or even
25% ethanol has no ill effects and could actually run in unmodified
gas engine better than 100% gasoline.

I wanted to add to the reply below. . .

 Zeke Yewdall wrote:

 My understanding is that ethanol will run fine in existing gasoline
 engines.  The difference is in compatibility with seals, and ability
 to vaporize at lower temperatures.  It's got a bit higher vapor
 pressure, so in northern US, it can create hard starting in the
 wintertime.

 Having lived in a northern climate (Wisconsin, Minnesota, USA)
 I found it harder to start my gasoline vehicles when they have
 water in the gasoline line and it freezes up but now with
 10 percent ethanol blended gasoline this has eliminated that
 problem, thank you.  Methanol (HEET) caused some problems for me
 in my 1946 pickup truck and some of my 1960s and 1970s
 gasoline vehicles when methanol reacted with the rubber fuel
 filler hose connection to the fuel tank and carburetor floats.

 It does have a bit lower energy content per gallon, and higher oxygen
 content, which could confuse the electronic controls systems that most
 cars have now.  They measure input airflow, and oxygen content in the
 exhaust, and decide how much fuel can be put in and still assure
 complete combustion.  I don't know if ethanol might mess this up.
 Older cabureated cars you'd probably just have to reset the jets.

 Using 10 percent ethanol blended gasoline I've gotten better fuel
 mileage in the summer with it but less so in the cold winter.
 My carburetor vehicles worked fine with 10 percent ethanol blended
 gasoline fuel without adjusting the carburetor jets.

 The lower energy content per gallon also means that the mpg is a bit
 less.  Somewhere around 10% I think???  If you designed the car to run
 only on ethanol, then you can typically use a much higher compression
 ratio (12:1 or so instead of 9:1 or less).  This gives you back alot
 of the performance and mpg losses from using the lower energy content
 fuel.

 My use of 10 percent blended gasoline has not decreased my
 average annual fuel mileage.  Its still 48 miles-per-gallon.
 The rusted front brake rotors did but thats been fixed.

 As far as seals, I haven't heard anything on ethanol causing seals to
 degrade, but I may be wrong.  Just a few days ago on this listserve,
 there was a discussion on methanol, and the possibility of high
 concentrations of it hurting the aluminum and light alloy engines. It
 seems like if it did have issues with corrosion or rubber degradation,
 10% would be enough to cause them, and since most of the winter gas
 sold in the northern US is 10% ethanol for pollution control, I
 imagine it doesn't.

 I haven't noticed any degradation while using 10 percent ethanol.
 There was a report several years ago done at the University of
 Minnesota - Mankato that used up to 25 percent ethanol blended
 gasoline fuel and it worked here in the northern USA climate
 though I haven't read the details.  I also read a report done
 in the 1940s by the University of Iowa - Ames that also worked
 well using ethanol blended gasoline fuel in carburetor vehicles.

 I wonder if they are using 100% ethanol, or ~95% ethanol (which is
 what denatured ethanol usually is -- a little gasoline put in to keep
 you from drinking it), or 95% ethanol/5% water which I understand is
 the highest purity you can distill it to.  At that ratio, it forms a
 constant boiling mixture, and you can't get it to 100% pure by
 distillation.  Does anyone know how they get the last bit of water
 out?  And whether it would affect the engine if they didn't?  It's in
 solution, so I imagine it would just cause a little more water vapor
 in the exhaust, and slighly lower mpg.   It shouldn't cause freezing,
 since I've tried to freeze 100 proof vodka, and it stays liquid at
 -10F, and this woud equivalent to 190 proof.

 Huh, hows 100 proof equivalent to 190 proof ?  

Ooops.  Indefinite modifier, or whatever they call that grammer
error  I meant that 95% ethanol would be 190 proof.

 My two cents.

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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-12 Thread MH
 Zeke Yewdall wrote:
 
 I was trying to theorize on what using a 100% ethanol fuel would be
 like. From MH's experience, it seems pretty obvious that 10% or even
 25% ethanol has no ill effects and could actually run in unmodified
 gas engine better than 100% gasoline.

 Thats OK Zeke. 

  I wanted to add to the reply 

 I tried mixing a 20% percent ethanol blend with gasoline
 for a 1970s lawn mower without adjusting the carburetor jet
 and the gasoline engine didn't like it so I went back to
 a 10 percent ethanol blend with gasoline I get from the
 local fuel stations. 

 As for up to 25 percent ethanol blends with gasoline
 the University of Minnesota - Mankato said 30 percent. 
 There was a news article posted to the list about this
 when the governor of Minnesota called for an increase to
 20 percent ethanol blends from the current 10 percent
 ethanol blends with gasoline.  Here it is -- 

 Subject: [Biofuel] US Minnesota Fuels Plan

 Governor Pawlenty Announces Plans to
 Double Ethanol Level in Gasoline and
 Reduce State Gasoline Consumption by 50% -- 
 Sep 27, 2004 
 http://www.governor.state.mn.us/Tpaw_View_Article.asp?artid=1120 

 A research report from the Minnesota Center for Automotive Research at
 Minnesota State University -- Mankato showed that there were no
 drivability or material compatibility problems experienced by
 15 vehicles of various years, makes and models using E-30.

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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-12 Thread MH
 Zeke Yewdall wrote:

 I was trying to theorize on what using a 100% ethanol fuel would be
 like. From MH's experience, it seems pretty obvious that 10% or even
 25% ethanol has no ill effects and could actually run in unmodified
 gas engine better than 100% gasoline.

 Most of the time during the summer months my
 fuel mileage is a little better using a
 10 percent ethanol blend with gasoline but
 they're times when its similiar to 100% gasoline
 miles-per-gallon during the summer months. 
 My car is a Geo Metro with computerizied (EFI)
 Electronic Fuel Injection.

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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-12 Thread Joe Street
Zeke;

Activated alumina or zeolite will remove the water.  One source I know 
of is companies like Kurt J. Lesker, Alcatel, Leybold and Pfeifer who 
are a supplier for industries that use high vacuum.  The material is 
sold for foreline traps also known as a molecular sieve.  The alumina 
can be baked to remove the water later and reused almost indefinitely.

Joe

Zeke Yewdall wrote:

I wonder if they are using 100% ethanol, or ~95% ethanol (which is
what denatured ethanol usually is -- a little gasoline put in to keep
you from drinking it), or 95% ethanol/5% water which I understand is
the highest purity you can distill it to.  At that ratio, it forms a
constant boiling mixture, and you can't get it to 100% pure by
distillation.  Does anyone know how they get the last bit of water
out?  And whether it would affect the engine if they didn't?  It's in
solution, so I imagine it would just cause a little more water vapor
in the exhaust, and slighly lower mpg.   It shouldn't cause freezing,
since I've tried to freeze 100 proof vodka, and it stays liquid at
-10F, and this woud equivalent to 190 proof.

  



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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-12 Thread Jan Warnqvist
Hello all.
ethanol contains oxygen and will disturb the fuel/air ratio of the fuel.
Engines with carburettor have to be adjusted to the proper CO level, since
this value is the receipt of a proper combustion.
Injected engines with catalytic cleaning usually have a range for adding
more fuel to the air/fuel ratio, determined by the amount of O2 in the
exhausts. Some systems can adjust to 30% of ethanol in the fuel, others have
a thinner adjustment line. A good way of finding out which is to measure the
exhaust fumes according to the specifications of the engine manufacturer.
Keep up the good job !
Jan Warnqvist
AGERATEC AB

[EMAIL PROTECTED]

+ 46 554 201 89
+46 70 499 38 45
- Original Message - 
From: Zeke Yewdall [EMAIL PROTECTED]
To: Biofuel@sustainablelists.org
Sent: Monday, September 12, 2005 3:32 AM
Subject: Re: [Biofuel] Ethanol in the Philippines - just put it in and go?


 I was trying to theorize on what using a 100% ethanol fuel would be
 like. From MH's experience, it seems pretty obvious that 10% or even
 25% ethanol has no ill effects and could actually run in unmodified
 gas engine better than 100% gasoline.

 I wanted to add to the reply below. . .

  Zeke Yewdall wrote:
 
  My understanding is that ethanol will run fine in existing gasoline
  engines.  The difference is in compatibility with seals, and ability
  to vaporize at lower temperatures.  It's got a bit higher vapor
  pressure, so in northern US, it can create hard starting in the
  wintertime.

  Having lived in a northern climate (Wisconsin, Minnesota, USA)
  I found it harder to start my gasoline vehicles when they have
  water in the gasoline line and it freezes up but now with
  10 percent ethanol blended gasoline this has eliminated that
  problem, thank you.  Methanol (HEET) caused some problems for me
  in my 1946 pickup truck and some of my 1960s and 1970s
  gasoline vehicles when methanol reacted with the rubber fuel
  filler hose connection to the fuel tank and carburetor floats.

  It does have a bit lower energy content per gallon, and higher oxygen
  content, which could confuse the electronic controls systems that most
  cars have now.  They measure input airflow, and oxygen content in the
  exhaust, and decide how much fuel can be put in and still assure
  complete combustion.  I don't know if ethanol might mess this up.
  Older cabureated cars you'd probably just have to reset the jets.

  Using 10 percent ethanol blended gasoline I've gotten better fuel
  mileage in the summer with it but less so in the cold winter.
  My carburetor vehicles worked fine with 10 percent ethanol blended
  gasoline fuel without adjusting the carburetor jets.

  The lower energy content per gallon also means that the mpg is a bit
  less.  Somewhere around 10% I think???  If you designed the car to run
  only on ethanol, then you can typically use a much higher compression
  ratio (12:1 or so instead of 9:1 or less).  This gives you back alot
  of the performance and mpg losses from using the lower energy content
  fuel.

  My use of 10 percent blended gasoline has not decreased my
  average annual fuel mileage.  Its still 48 miles-per-gallon.
  The rusted front brake rotors did but thats been fixed.

  As far as seals, I haven't heard anything on ethanol causing seals to
  degrade, but I may be wrong.  Just a few days ago on this listserve,
  there was a discussion on methanol, and the possibility of high
  concentrations of it hurting the aluminum and light alloy engines. It
  seems like if it did have issues with corrosion or rubber degradation,
  10% would be enough to cause them, and since most of the winter gas
  sold in the northern US is 10% ethanol for pollution control, I
  imagine it doesn't.

  I haven't noticed any degradation while using 10 percent ethanol.
  There was a report several years ago done at the University of
  Minnesota - Mankato that used up to 25 percent ethanol blended
  gasoline fuel and it worked here in the northern USA climate
  though I haven't read the details.  I also read a report done
  in the 1940s by the University of Iowa - Ames that also worked
  well using ethanol blended gasoline fuel in carburetor vehicles.

  I wonder if they are using 100% ethanol, or ~95% ethanol (which is
  what denatured ethanol usually is -- a little gasoline put in to keep
  you from drinking it), or 95% ethanol/5% water which I understand is
  the highest purity you can distill it to.  At that ratio, it forms a
  constant boiling mixture, and you can't get it to 100% pure by
  distillation.  Does anyone know how they get the last bit of water
  out?  And whether it would affect the engine if they didn't?  It's in
  solution, so I imagine it would just cause a little more water vapor
  in the exhaust, and slighly lower mpg.   It shouldn't cause freezing,
  since I've tried to freeze 100 proof vodka, and it stays liquid at
  -10F, and this woud equivalent to 190 proof.

  Huh, hows 100 proof equivalent to 

Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-11 Thread dwoodard
In very round numbers, gasoline has about 20,000 BTU per pound, ethanol
12,000, methanol 10,000.

Doug Woodard
St. Catharines, Ontario, Canada



On Fri, 9 Sep 2005, Zeke Yewdall wrote:

 My understanding is that ethanol will run fine in existing gasoline
 engines.  The difference is in compatibility with seals, and ability
 to vaporize at lower temperatures.  It's got a bit higher vapor
 pressure, so in northern US, it can create hard starting in the
 wintertime.

 It does have a bit lower energy content per gallon, and higher oxygen
 content, which could confuse the electronic controls systems that most
 cars have now.  They measure input airflow, and oxygen content in the
 exhaust, and decide how much fuel can be put in and still assure
 complete combustion.  I don't know if ethanol might mess this up.
 Older cabureated cars you'd probably just have to reset the jets.

 The lower energy content per gallon also means that the mpg is a bit
 less.  Somewhere around 10% I think???  If you designed the car to run
 only on ethanol, then you can typically use a much higher compression
 ratio (12:1 or so instead of 9:1 or less).  This gives you back alot
 of the performance and mpg losses from using the lower energy content
 fuel.

[snip]

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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-11 Thread Keith Addison
http://journeytoforever.org/biofuel_library.html
Biofuels Library

The Manual for the Home and Farm Production of Alcohol Fuel
by S.W. Mathewson
Ten Speed Press
© Copyright 1980 J.A. Diaz Publications (out of print)
This excellent manual gives you all the information you need to get 
going with making your own alcohol fuel. Aimed at small-scale 
production, good chapters on fuel theory, everything about 
feedstocks, processing, fermentation, yeast, using ethanol, 
distillation.
http://journeytoforever.org/biofuel_library/ethanol_manual/manual_ToC.html

Chapter 2 BASIC FUEL THEORY
http://journeytoforever.org/biofuel_library/ethanol_manual/manual1-2.html#ch2
Chemical Composition
Combustion Properties
Volatility
Octane Ratings
Water Injection
Exhaust Composition
Engine Performance - Straight Alcohol
Engine Performance - Alcohol Blends

Chapter 3 UTILIZATION OF ALCOHOL FUELS
http://journeytoforever.org/biofuel_library/ethanol_manual/manual3.html
Methods of Utilization
Alcohol Blends
Pure Alcohol
Diesel Engines
Engine Modification
Alcohol Injection



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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-10 Thread MH
 I wanted to add to the reply below. . .  

 Zeke Yewdall wrote:
 
 My understanding is that ethanol will run fine in existing gasoline
 engines.  The difference is in compatibility with seals, and ability
 to vaporize at lower temperatures.  It's got a bit higher vapor
 pressure, so in northern US, it can create hard starting in the
 wintertime.

 Having lived in a northern climate (Wisconsin, Minnesota, USA)
 I found it harder to start my gasoline vehicles when they have
 water in the gasoline line and it freezes up but now with
 10 percent ethanol blended gasoline this has eliminated that
 problem, thank you.  Methanol (HEET) caused some problems for me
 in my 1946 pickup truck and some of my 1960s and 1970s
 gasoline vehicles when methanol reacted with the rubber fuel
 filler hose connection to the fuel tank and carburetor floats.  

 It does have a bit lower energy content per gallon, and higher oxygen
 content, which could confuse the electronic controls systems that most
 cars have now.  They measure input airflow, and oxygen content in the
 exhaust, and decide how much fuel can be put in and still assure
 complete combustion.  I don't know if ethanol might mess this up.
 Older cabureated cars you'd probably just have to reset the jets.

 Using 10 percent ethanol blended gasoline I've gotten better fuel
 mileage in the summer with it but less so in the cold winter. 
 My carburetor vehicles worked fine with 10 percent ethanol blended
 gasoline fuel without adjusting the carburetor jets.  

 The lower energy content per gallon also means that the mpg is a bit
 less.  Somewhere around 10% I think???  If you designed the car to run
 only on ethanol, then you can typically use a much higher compression
 ratio (12:1 or so instead of 9:1 or less).  This gives you back alot
 of the performance and mpg losses from using the lower energy content
 fuel.

 My use of 10 percent blended gasoline has not decreased my
 average annual fuel mileage.  Its still 48 miles-per-gallon. 
 The rusted front brake rotors did but thats been fixed. 

 As far as seals, I haven't heard anything on ethanol causing seals to
 degrade, but I may be wrong.  Just a few days ago on this listserve,
 there was a discussion on methanol, and the possibility of high
 concentrations of it hurting the aluminum and light alloy engines. It
 seems like if it did have issues with corrosion or rubber degradation,
 10% would be enough to cause them, and since most of the winter gas
 sold in the northern US is 10% ethanol for pollution control, I
 imagine it doesn't.

 I haven't noticed any degradation while using 10 percent ethanol. 
 There was a report several years ago done at the University of
 Minnesota - Mankato that used up to 25 percent ethanol blended
 gasoline fuel and it worked here in the northern USA climate
 though I haven't read the details.  I also read a report done
 in the 1940s by the University of Iowa - Ames that also worked
 well using ethanol blended gasoline fuel in carburetor vehicles. 

 I wonder if they are using 100% ethanol, or ~95% ethanol (which is
 what denatured ethanol usually is -- a little gasoline put in to keep
 you from drinking it), or 95% ethanol/5% water which I understand is
 the highest purity you can distill it to.  At that ratio, it forms a
 constant boiling mixture, and you can't get it to 100% pure by
 distillation.  Does anyone know how they get the last bit of water
 out?  And whether it would affect the engine if they didn't?  It's in
 solution, so I imagine it would just cause a little more water vapor
 in the exhaust, and slighly lower mpg.   It shouldn't cause freezing,
 since I've tried to freeze 100 proof vodka, and it stays liquid at
 -10F, and this woud equivalent to 190 proof.

 Huh, hows 100 proof equivalent to 190 proof ? 

 My two cents.


  On 9/9/05, Keith Addison [EMAIL PROTECTED] wrote:
  A new list member (hi there!) told listadmin this a few days ago:
 
  Ethanol has been introduced in Manila just this month and
  I'm getting excited about it. The rising costs of fuel is really a
  burden here and through this list,  I hope I would be able to gain
  lots of knowledge about Ethanol. Our government is encouraging us to
  use this fuel, they're telling us that we don't have to convert our
  engines in order for us to use Ethanol. I'm a little bit hesitant but
  I guess they're right coz I've been reading various sites from the web
  and they all said that there's no for us to have our existing engines
  converted nor there are any bad effects in using Ethanol.
 
  Any comments?
 
  Best wishes
 
  Keith

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[Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-09 Thread Keith Addison
A new list member (hi there!) told listadmin this a few days ago:

Ethanol has been introduced in Manila just this month and
I'm getting excited about it. The rising costs of fuel is really a
burden here and through this list,  I hope I would be able to gain
lots of knowledge about Ethanol. Our government is encouraging us to
use this fuel, they're telling us that we don't have to convert our
engines in order for us to use Ethanol. I'm a little bit hesitant but
I guess they're right coz I've been reading various sites from the web
and they all said that there's no for us to have our existing engines
converted nor there are any bad effects in using Ethanol.

Any comments?

Best wishes

Keith


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Re: [Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-09 Thread Zeke Yewdall
My understanding is that ethanol will run fine in existing gasoline
engines.  The difference is in compatibility with seals, and ability
to vaporize at lower temperatures.  It's got a bit higher vapor
pressure, so in northern US, it can create hard starting in the
wintertime.

It does have a bit lower energy content per gallon, and higher oxygen
content, which could confuse the electronic controls systems that most
cars have now.  They measure input airflow, and oxygen content in the
exhaust, and decide how much fuel can be put in and still assure
complete combustion.  I don't know if ethanol might mess this up. 
Older cabureated cars you'd probably just have to reset the jets.

The lower energy content per gallon also means that the mpg is a bit
less.  Somewhere around 10% I think???  If you designed the car to run
only on ethanol, then you can typically use a much higher compression
ratio (12:1 or so instead of 9:1 or less).  This gives you back alot
of the performance and mpg losses from using the lower energy content
fuel.

As far as seals, I haven't heard anything on ethanol causing seals to
degrade, but I may be wrong.  Just a few days ago on this listserve,
there was a discussion on methanol, and the possibility of high
concentrations of it hurting the aluminum and light alloy engines. It
seems like if it did have issues with corrosion or rubber degradation,
10% would be enough to cause them, and since most of the winter gas
sold in the northern US is 10% ethanol for pollution control, I
imagine it doesn't.

I wonder if they are using 100% ethanol, or ~95% ethanol (which is
what denatured ethanol usually is -- a little gasoline put in to keep
you from drinking it), or 95% ethanol/5% water which I understand is
the highest purity you can distill it to.  At that ratio, it forms a
constant boiling mixture, and you can't get it to 100% pure by
distillation.  Does anyone know how they get the last bit of water
out?  And whether it would affect the engine if they didn't?  It's in
solution, so I imagine it would just cause a little more water vapor
in the exhaust, and slighly lower mpg.   It shouldn't cause freezing,
since I've tried to freeze 100 proof vodka, and it stays liquid at
-10F, and this woud equivalent to 190 proof.

My two cents.

On 9/9/05, Keith Addison [EMAIL PROTECTED] wrote:
 A new list member (hi there!) told listadmin this a few days ago:
 
 Ethanol has been introduced in Manila just this month and
 I'm getting excited about it. The rising costs of fuel is really a
 burden here and through this list,  I hope I would be able to gain
 lots of knowledge about Ethanol. Our government is encouraging us to
 use this fuel, they're telling us that we don't have to convert our
 engines in order for us to use Ethanol. I'm a little bit hesitant but
 I guess they're right coz I've been reading various sites from the web
 and they all said that there's no for us to have our existing engines
 converted nor there are any bad effects in using Ethanol.
 
 Any comments?
 
 Best wishes
 
 Keith
 
 
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[Biofuel] Ethanol in the Philippines - just put it in and go?

2005-09-09 Thread Vin Lava
 A new list member (hi there!) told listadmin this a
 few days ago:

 Ethanol has been introduced in Manila just this  
month and I'm getting excited about it. The rising 
costs of fuel is really a burden here and through 
this list,  I hope I would be able to gain lots of 
knowledge about Ethanol. Our government is   
encouraging us to use this fuel, they're telling  us
that we don't have to convert our engines in   order
for us to use Ethanol. I'm a little bit   hesitant
but I guess they're right coz I've been  reading
various sites from the web and they allsaid that
there's no for us to have our existing  engines
converted nor there are any bad effects in  using
Ethanol.

 Any comments?

 Best wishes

 Keith

Hi Keith,

Cocodiesel, yes. But I haven't seen ethanol outside of
the media yet. There are still a few problems to be
worked out - growing sorghum or sugarcane, where is it
going to be grown and who is going to grow it, setting
up the plants to process it, and getting it into the
tanks of our vehicles.

If they're going to use sugarcane, what happens to our
sugar supply?

The oil companies here have big bucks invested in
their facilities and it might not be in their best
interests to have ethanol easily available unless
there's money to be made for them.

http://www.sunstar.com.ph/static/man/2005/08/31/news/gas.firms.doubt.ethanol.can.be.used.as.alternative.fuel.right.away.html

Gas firms doubt ethanol can be used as alternative
fuel right away

There's also the problem of monoculture and growing
the crop sustainably. Mrs. Arroyo is in a bind here
with the questions raised about the credibility of her
election, Peak Oil, and Climate Change so I'd think
she'd like to give our people a few straws to clutch.

http://www.greencarcongress.com/2004/12/philippines_clo.html

Philippines Close to National Ethanol Program

http://www.sunstar.com.ph/static/dav/2005/08/29/news/ethanol.plant.to.benefit.davao.bukidnon.zubiri.html

Ethanol plant to benefit Davao, Bukidnon: Zubiri

These say we should have a 25% blend of ethanol by
2010, *if* our Congress passes the Energy Bill.

However, if this can be done on a village level, there
might be something in it. But it would still take a
while to set it up. I wouldn't hold my breath just
now. :-)

In the meantime, I'll start homebrewing BD in January.
And I don't have to wait for our government or anyone
else to do it for me. :-)

Regards.

Vin Lava
Manila, Philippines




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