Re: [papercreters] Re: 26lbs of CO2 per bag of Portland

That would be me except I use SVO in my genset.

 

Ken

mountainfair <yahooposting@dreamthefuture.org> wrote:

Yes, I agree that transportation and commuting are part of the
equation. And just as we may carefully consider our type of
construction and how to minimize the footprint, we can similarly
consider our choice of location and transportation.

For those unwilling to change their lifestyle/location/job there is
the alternative of running a diesel vehicle on biodiesel. Neutral
carbon footprint, much better mileage, vehicle lasts longer (diesels
last longer than gas engines, and the lubricating properties of
biodiesel make them last even longer) and no conversion required.

And now that they have tightened the regulations on diesel fuel
(removing the sulfur), we will start seeing many more diesel models
available in the US. I spent some time last sept. driving a diesel
sportscar in Italy - lots of fun to drive. Min. of 5% biodiesel was
required as a lubricating additive many places in europe. I have a
diesel car here in the US, and it gets 50mpg+ and the turbo makes it
quite fun to drive.

Anyone out there industrious enough to make papercrete certainly has
the capabilities of making their own biodiesel, for perhaps a tenth of
the cost of fuel at the pump.







--- In papercreters@yahoogroups.com, Mikey Sklar wrote:
>
> Mark,
>
> I couldn't agree with you more about transportation being the real
> energy problem not the materials. If you have ever looked at the
> kilowatt hours for a tank of unleaded gasoline it is over 500kw/h's
> three times my monthly electric bill. Just doing a two hour drive to
> the largest city and back is three months of powering my home.
>
> On Aug 16, 2007, at 10:15 AM, Mark Piepkorn
> wrote:
>
> > At 11:29 AM 8/16/2007, slurryguy wrote:
> >> Take a step back and look at the big picture.
> >>
> >> A couple of weeks ago, two friends of mine were arguing about whether
> >> it was more efficient to drive with the windows rolled down, or the
> >> air conditioner on.
> >
> > Which segues to an issue to think about that's far larger
> > than the operating energy of buildings: the transportation energy
> > associated with them. A superinsulated house in the country occupied
> > by a commuting individual is in almost every case going to be more
> > environmentally damaging than if the commuting party lived in a
> > 'normal' house where they could take advantage of public
> > transportation, bike, walk, or even drive fewer miles to their job
> > and services.
> >
> > The average daily commute in the U.S. is 12 miles, one way.
> > Getting to and from our buildings uses far more energy than our
> > buildings do.
> >
> > Inverting the quandary, workers in the average office
> > building use 30% more energy getting to and from work than the
> > building itself uses.
> >
> > Of course, all of this gets incredibly messy in no time at
> > all, with a million mitigating factors. But there it is. Like you
> > said, we need to "step back and look at the big picture."
> >
> >
> > Mark Piepkorn
> > www.potkettleblack.com
> >
> > If you want to waste your time,
> > scatter millet and pick it up again.
> > - graffiti from Pompeii, 79 A.D.
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>





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