<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-7743</journal-id>
<journal-title><![CDATA[Ingeniería, investigación y tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. invest. y tecnol.]]></abbrev-journal-title>
<issn>1405-7743</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-77432016000100061</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Assessing the Impact of Biogas on the Energy Sustainability of an Urban Restaurant in Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación del impacto del biogás en la sustentabilidad energética de un restaurante urbano en México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez-Hernández]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-González]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,alcastro@unam.mx  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>17</volume>
<numero>1</numero>
<fpage>61</fpage>
<lpage>71</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-77432016000100061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-77432016000100061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-77432016000100061&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Biogas technology represents an option to enhance sustainable energy use in developing nations particularly in the rural context. However, the production and use of biogas could also take place in urban settings in these countries with potential benefits for their sustainability. The present work introduces a set of nine indicators in the economic, social and environmental sustainability dimensions for assessing the impact of a small-scale biogas plant on the energy sustainability of a restaurant located in Mexico City. Indicators were evaluated before (base scenario) and after (biogas scenario) biogas plant installation and then they were linearly normalized using a scale between 0 and 1 corresponding to a growing level of energy sustainability. Economic dimension indicators averaged 0.67 in the base scenario and 0.68 in the biogas scenario; those of the social dimension, 0.52 and 0.54; and those of the environmental dimension, 0.17 and 0.49, respectively. Results indicate a positive impact of biogas plant on restaurant energy sustainability. These indicators provide objective elements to examine in detail biogas contributions in strengthening energy sustainability of cities in developing countries.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La tecnología del biogás representa una opción para impulsar el uso sustentable de la energía en el mundo en desarrollo, particularmente en el contexto rural. Sin embargo, la producción y el uso del biogás también pueden acontecer en zonas urbanas de estos países con beneficios potenciales para su sustentabilidad. El presente trabajo ofrece un grupo de nueve indicadores en las dimensiones de sustentabilidad económica, social y ambiental para evaluar el impacto de una planta de biogás de pequeña escala sobre la sustentabilidad energética de un restaurante en la Ciudad de México. Los indicadores se evaluaron antes (escenario base) y después (escenario biogás) de la instalación de la planta y luego se normalizaron linealmente usando una escala entre 0 y 1 correspondiente a un nivel creciente de sustentabilidad energética. Los indicadores de la dimensión económica promediaron 0.67 en el escenario base y 0.68 en el escenario biogás, los de la dimensión social, 0.52 y 0.54; y los de la dimensión ambiental, 0.17 y 0.49, respectivamente. Los resultados muestran el impacto positivo de la planta de biogás en la sustentabilidad energética del restaurante. Estos indicadores proporcionan elementos objetivos para examinar a detalle las contribuciones del biogás en el fortalecimiento de la sustentabilidad energética de las ciudades en países en desarrollo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[biogas]]></kwd>
<kwd lng="en"><![CDATA[urban areas]]></kwd>
<kwd lng="en"><![CDATA[developing countries]]></kwd>
<kwd lng="en"><![CDATA[energy sustainability]]></kwd>
<kwd lng="en"><![CDATA[indicators]]></kwd>
<kwd lng="es"><![CDATA[biogás]]></kwd>
<kwd lng="es"><![CDATA[zonas urbanas]]></kwd>
<kwd lng="es"><![CDATA[países en desarrollo]]></kwd>
<kwd lng="es"><![CDATA[sustentabilidad energética]]></kwd>
<kwd lng="es"><![CDATA[indicadores]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<given-names><![CDATA[S.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Atmospheric Environment]]></source>
<year>2000</year>
<volume>34</volume>
<numero>26</numero>
<issue>26</issue>
<page-range>4537-49</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
