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    <div class="moz-cite-prefix">Hello Tom,<br>
      <br>
      I am happy to see the question is being discussed in the WG, and
      was discussed at ETHOS.<br>
      I am unsure if what you are mentioning has been written on this
      list, so thanks for that new information, it is helpful.<br>
      <br>
      <span style="color:windowtext;mso-fareast-language:EN-US">"A
        recent study in Germany was cited where WBT tests were different
        from different labs."<br>
        It's great to hear. Is it possible to have the link to this
        study?<br>
      </span><br>
      <span style="color:windowtext;mso-fareast-language:EN-US">"Who on
        this list are participants in the working groups?"</span><br>
      I do not understand your question. Are you asking me if I know if
      among the 900+ participants to the List, there are participants in
      the working groups, or are you telling me that on this List, there
      are no participants to the working group?<br>
      My assumption was that there was a lot of the WG participants on
      this List. I have been told that my messages on the List were
      read. I am sure they reach the WG. I know my messages are read by
      the GACC people.<br>
      Now, the people working in the WG are not necessarily the only
      people I wanted to discuss to. I wanted to discuss with the List
      members, because I believe a lot are working with or have worked
      with the WBT, and the WBT as been discussed here a lot in the
      past, and that now we have new elements and make progress in the
      discussion.<br>
      Since there are supporters of the WBT who expressed on this List,
      I thought it made sense to ask for their point of view here.<br>
      <br>
      Your message subject was: "SPAM: Re: Advocacy action: ask the GACC
      to stop promoting the WBT". Was it you who named it like this or
      was it your webmail which sees my messages as spam?<br>
      <br>
      Best,<br>
      <br>
      Xavier<br>
      <br>
      <br>
      On 2/14/17 20:34, Tom Miles wrote:<br>
    </div>
    <blockquote cite="mid:012501d286f9$4ee9ce90$ecbd6bb0$@trmiles.com"
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      <div class="WordSection1">
        <p class="MsoNormal"><span
            style="color:windowtext;mso-fareast-language:EN-US">Xavier,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="color:windowtext;mso-fareast-language:EN-US">The
            donors and participants in GACC who I talked with at ETHOS
            regard the WBT as a useful tool for stove development but
            question its use for comparing stove performance in use. A
            recent study in Germany was cited where WBT tests were
            different from different labs. There was also a lot of
            discussion from the GACC working group leaders and
            participants about the need for contextual evaluation. A
            detailed approach to contextual evaluation was presented by
            GIZ which refleted much of what has been discussed here. It
            was also stated in the WG4 summary that options and
            exceptions are being delineated. What’s missing here is a
            clear understanding of what is actually being discussed
            about WBT, where, and for what purpose. The fears and
            concerns of negative impacts from  WBT tests were clearly
            stated by various speaker. It was also discussed that Tiers
            may not necessarily be relevant to the needs of a community.
            You might select a lower tier stove to meet those needs.
             Who on this list are participants in the working groups?  <o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="color:windowtext;mso-fareast-language:EN-US">Tom <o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="color:windowtext;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><a moz-do-not-send="true"
            name="_MailEndCompose"><span
              style="color:windowtext;mso-fareast-language:EN-US"><o:p> </o:p></span></a></p>
        <span style="mso-bookmark:_MailEndCompose"></span>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0in 0in 0in">
            <p class="MsoNormal"
              style="margin-bottom:0in;margin-bottom:.0001pt"><b><span
                  style="color:windowtext;mso-fareast-language:EN-US">From:</span></b><span
                style="color:windowtext;mso-fareast-language:EN-US">
                Stoves [<a class="moz-txt-link-freetext" href="mailto:stoves-bounces@lists.bioenergylists.org">mailto:stoves-bounces@lists.bioenergylists.org</a>]
                <b>On Behalf Of </b>Xavier Brandao<br>
                <b>Sent:</b> Tuesday, February 14, 2017 11:11 AM<br>
                <b>To:</b> Discussion of biomass cooking stoves
                <a class="moz-txt-link-rfc2396E" href="mailto:stoves@lists.bioenergylists.org"><stoves@lists.bioenergylists.org></a>;
                <a class="moz-txt-link-abbreviated" href="mailto:franke@cruzio.com">franke@cruzio.com</a><br>
                <b>Subject:</b> SPAM: Re: [Stoves] Advocacy action: ask
                the GACC to stop promoting the WBT<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Dear
          Frank,<br>
          <br>
          <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><i>"the
            WBT is only an outline for tests that need be done"</i><o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Why
          do an outline when we can do (good) tests instead?<o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Additionally
          to these 3 problems you mentioned, you have to add the other
          ones I quoted previously, some mentioned in Fabio and
          Francesco's study. See below.<br>
          It's not looking too good for me. Sometimes getting something
          new is much faster and surer than fixing something broken.<br>
          I know that a lot of effort from many people went into
          "fixing" the WBT. But maybe it is beyond fixing. Maybe these
          are sunk costs.<o:p></o:p></p>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l10
            level1 lfo1">the WBT is not contextual, as Crispin
            highlighted many times<o:p></o:p></li>
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l10
            level1 lfo1">several WBT metrics are invalid, as Crispin
            highlighted many times<o:p></o:p></li>
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l10
            level1 lfo1">there are big thermodynamic uncertainties (viz.
            variable steam production and boiling point determination)<o:p></o:p></li>
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l10
            level1 lfo1">there are questions about the rationale of some
            calculations, questions raised by Zhang et al.<o:p></o:p></li>
        </ul>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">We
          have been talking about the WBT for a few weeks already (not
          counting the years prior to that), and all these questions
          haven't been answered.<o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">All,
          for more details about these questions, please find the links
          to all the studies I mentioned:<o:p></o:p></p>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l6
            level1 lfo2">Fuzzy interval propagation of uncertainties in
            experimental analysis for improved and traditional
            three–stone fire cookstoves<br>
            <a moz-do-not-send="true"
href="https://www.researchgate.net/publication/308898807_Fuzzy_interval_propagation_of_uncertainties_in_experimental_analysis_for_improved_and_traditional_three_-_Stone_fire_cookstoves">https://www.researchgate.net/publication/308898807_Fuzzy_interval_propagation_of_uncertainties_in_experimental_analysis_for_improved_and_traditional_three_-_Stone_fire_cookstoves</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l7
            level1 lfo3">Key differences of performance test protocols
            for household biomass cookstoves. Twenty-Second Domestic Use
            of Energy, IEEE 2014:1–11.<br>
            <a moz-do-not-send="true"
              href="http://energyuse.org.za/document-archive/">http://energyuse.org.za/document-archive/</a><o:p></o:p></li>
        </ul>
        <p class="MsoNormalCxSpMiddle"
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;mso-add-space:auto">To
          access the file, select DUE [Domestic Use of energy
          COnference]. Select DUE 2014. Select PROCEEDINGS. Select paper
          by Zhang etal (PDFs arranged alphabetically).<o:p></o:p></p>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l5
            level1 lfo4">Performance testing for monitoring improved
            biomass stove interventions: experiences of the Household
            Energy and Health Project. Energy Sustainable Dev
            2007;11:57–70. <br>
            <a moz-do-not-send="true"
href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.461.783&rep=rep1&type=pdf">http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.461.783&rep=rep1&type=pdf</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l8
            level1 lfo5">The shortcomings of the U.S. protocol<br>
            <a moz-do-not-send="true"
href="http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1534&context=etd">http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=1534&context=etd</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l3
            level1 lfo6">Influence of testing parameters on biomass
            stove performance and development of an improved testing
            protocol<br>
            <a moz-do-not-send="true"
href="https://envirofit.org/wp-content/uploads/2016/06/2012-influence-of-testing-parameters.pdf">https://envirofit.org/wp-content/uploads/2016/06/2012-influence-of-testing-parameters.pdf</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l0
            level1 lfo7">How many replicate tests are needed to test
            cookstove performance and emissions? — Three is not always
            adequate.<br>
            <a moz-do-not-send="true"
href="http://gadgillab.berkeley.edu/wp-content/uploads/2014/03/D-13-00075-Wang-et-al._final.pdf">http://gadgillab.berkeley.edu/wp-content/uploads/2014/03/D-13-00075-Wang-et-al._final.pdf</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l1
            level1 lfo8">Systematic and conceptual errors in standards
            and protocols for thermal performance of biomass stoves<br>
            <a moz-do-not-send="true"
href="https://www.researchgate.net/publication/309689616_Systematic_and_conceptual_errors_in_standards_and_protocols_for_thermal_performance_of_biomass_stoves">https://www.researchgate.net/publication/309689616_Systematic_and_conceptual_errors_in_standards_and_protocols_for_thermal_performance_of_biomass_stoves</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l9
            level1 lfo9">Quality assurance for cookstoves testing
            centers: calculation of expanded uncertainty for WBT<br>
            <a moz-do-not-send="true"
href="http://www.newdawnengineering.com/website/library/Stove%20Testing/Testing%20Protocols/American%20WBT,%20CCT,%20KPT/2014%20March%20WBT%204.2.x%20Uncertainty,%20Gorrity,%20M.pdf">http://www.newdawnengineering.com/website/library/Stove%20Testing/Testing%20Protocols/American%20WBT,%20CCT,%20KPT/2014%20March%20WBT%204.2.x%20Uncertainty,%20Gorrity,%20M.pdf</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l4
            level1 lfo10">Key factors of thermal efficiency test
            protocols<br>
            <a moz-do-not-send="true"
href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1000.3936&rep=rep1&type=pdf">http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.1000.3936&rep=rep1&type=pdf</a><o:p></o:p></li>
        </ul>
        <ul type="disc">
          <li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:0in;mso-list:l2
            level1 lfo11">Towards a standard for clean solid-fuelled
            cookstoves<o:p></o:p></li>
        </ul>
        <p class="MsoNormal">             <a moz-do-not-send="true"
href="https://www.researchgate.net/publication/274706950_Towards_a_standard_for_clean_solid-fuelled_cookstoves">https://www.researchgate.net/publication/274706950_Towards_a_standard_for_clean_solid-fuelled_cookstoves</a><br>
          <br>
          Looking forward to your comments!<br>
          <br>
          Best,<br>
          <br>
          Xavier<o:p></o:p></p>
        <p class="MsoNormal"> <o:p></o:p></p>
        <p class="MsoNormal"> <o:p></o:p></p>
        <p class="MsoNormal"> <o:p></o:p></p>
        <p class="MsoNormal"> <o:p></o:p></p>
        <p class="MsoNormal"> <o:p></o:p></p>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
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</pre>
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