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    Stovers,<br>
    <br>
    I looked at the report.   4 stoves<br>
    1.  Natural Draft<br>
    2.  Forced air<br>
    3.  Charcoal<br>
    4.  LPG<br>
    <br>
    What stoves do you think they were testing.   Not what I thought.<br>
    <br>
    1.  Natural Draft   ----  An Envirofit Rocket stove<br>
    2.  Forced air    -----   Biolite fan-assisted ROCKET stove<br>
    3.  Charcoal     -------  Envirofit charcoal stove<br>
    4.  LPG     ------      Envirofit LPG stove.    Yes, Envriofit is
    into the LPG stove business<br>
    <br>
    Great.   It is good that they had improvements.    <br>
    <br>
    But note that there were no TLUD stoves.   <br>
    <br>
    So, once again major money for a research project without including
    the woodgas stoves that are in the modern and advanced stove types<u>
      as classified by the GACC and the World Bank ESMAP program</u>
    (see my 4-page summary of "Classification of Stove Technology and
    Fuels" at<br>
<a class="moz-txt-link-freetext" href="http://www.drtlud.com/2017/04/11/classification-stove-technologies-fuels/">http://www.drtlud.com/2017/04/11/classification-stove-technologies-fuels/</a>   
    <br>
    <br>
    Paul<br>
    <pre class="moz-signature" cols="72">Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a>
Skype:   paultlud    Phone: +1-309-452-7072
Website:  <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
    <div class="moz-cite-prefix">On 5/13/2017 11:50 AM, Tom Miles wrote:<br>
    </div>
    <blockquote cite="mid:000801d2cc09$042d3810$0c87a830$@trmiles.com"
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      <div class="WordSection1">
        <p>Here’s a report on an interesting study that Nikhil found on
          the Environmental Research Web. The model projects a positive
          health impact from a marginal intervention with improved
          stoves, which is probably an accurate reflection of what
          stovers see as a result of their efforts: better stoves
          improve health. While Nikhil has bashed this modeling for its
          precision, the trend would likely be the same for alternative
          models. We can always find better metrics to support our work,
          or to find fatal flaws, but let’s do it working together in
          positive collaboration without the trash talk that we’ve been
          hearing for several months. This forum is not a complaint desk
          or a political blog.    <o:p></o:p></p>
        <p><a moz-do-not-send="true"
            href="http://environmentalresearchweb.org/cws/article/news/68742">http://environmentalresearchweb.org/cws/article/news/68742</a>
          <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">May
          11, 2017<o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
              style="font-size:24.0pt">Cleaner cookstoves might benefit
              Mozambicans <o:p></o:p></span></b></p>
        <p>By John Cartwright<o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
            moz-do-not-send="true"
            href="http://iopscience.iop.org/article/10.1088/1748-9326/aa5557">Cleaner
            cookstoves could improve air quality and health, and reduce
            temperature rise from climate change in Mozambique</a>,
          according to a study by researchers in the US.<o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
          findings reinforce the health dangers of cooking with
          rudimentary fires or cookstoves in one of the world’s poorest
          countries, but the researchers point out that there is no
          local information to reach inhabitants. "Local information
          about pollution exposure levels in Mozambique is sorely needed
          to ground-truth [our] estimates," said <a
            moz-do-not-send="true"
href="http://publichealth.gwu.edu/departments/environmental-and-occupational-health/susan-anenberg">Susan
            Anenberg of Environmental Health Analytics and the George
            Washington University</a>, US. <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mozambique
          is thought to be highly vulnerable to the kind of extreme
          weather events produced by climate change, and the country
          also experiences high rates of morbidity and mortality from
          household air pollution. In rural areas, households typically
          use open fires or rudimentary biomass stoves, while in urban
          areas metal charcoal stoves are more common. Fine particulate
          matter and other pollution generated by this type of
          inefficient burning are known to be highly dangerous, with one
          previous study linking household pollution in Mozambique in
          2015 to 18,000 premature deaths. <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">More
          efficient options are available: natural- or forced-draft
          stoves in rural areas, or modern charcoal stoves for urban
          environments. In addition there are gas stoves, which are
          inherently cleaner than those running on charcoal. <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Anenberg
          and colleagues wanted to find out how beneficial these
          alternatives would be to Mozambicans. Having identified clean
          cookstoves that could find success in Mozambique, they
          estimated air-pollution exposure levels based on estimates for
          other parts of Africa. These estimates went into an
          atmospheric model and a health and climate-impact model to
          make a new estimate of the possible societal benefits,
          focusing in particular on deaths arising from stroke, heart
          disease, lung cancer, chronic obstructive pulmonary disorder
          and lower respiratory infections. <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
          researchers found that if just 10% of rural households in
          Mozambique got a natural-draft stove, the country could expect
          200 fewer deaths related to fine particulate matter over three
          years; if the same households got forced-draft stoves, there
          could be 500 fewer deaths. Meanwhile, if 10% of households in
          five of Mozambique’s major cities got a gas stove, there could
          be 160 fewer premature deaths; modern charcoal stoves would
          obtain 80% of this benefit. <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">As
          for climate change, the researchers found that any of the
          better stove scenarios would reduce the contribution to
          temperature rise from cookstoves by 4–6% over the next
          century. <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">"We
          found that each type of cleaner cookstove examined led to
          improvements in air quality, avoided health impacts from air
          pollution, and less climate change-related temperature rise,"
          said Anenberg. "The cleanest stoves were more health
          beneficial, but nearly all were cost-effective." <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The
          researchers are now investigating the use of solid fuels for
          heating. "Burning solid fuels for heating degrades air quality
          and contributes to climate change, particularly in cold areas
          where the pollution gets transported to snow and ice covered
          regions and reduces the reflectivity of the planet," said
          Anenberg. "We are trying to determine the extent of solid fuel
          heating around the world, which types of fuels are commonly
          used in different places, and the impacts this practice has on
          public health and the environment." <o:p></o:p></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
              style="font-size:13.5pt">About the author<o:p></o:p></span></b></p>
        <p class="MsoNormal"
          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Jon
          Cartwright is a contributing editor to <i>environmentalresearchweb</i><o:p></o:p></p>
        <p><o:p> </o:p></p>
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      <br>
      <pre wrap="">_______________________________________________
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</pre>
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