<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992017000300505</article-id>
<article-id pub-id-type="doi">10.20937/rica.2017.33.03.13</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[REGULACIONES PARA REDUCIR EMISIONES DE MP 2.5 Y EXTERNALIDADES SOBRE SUS PRECURSORES CUANDO EXISTE DISPONIBILIDAD DE UN COMBUSTIBLE LIMPIO]]></article-title>
<article-title xml:lang="en"><![CDATA[REGULATIONS TO REDUCE PM 2.5 EMISSIONS AND EXTERNALITIES ON THEIR PRECURSORS WHEN THERE IS AVAILABILITY OF CLEAN FUEL]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mardones]]></surname>
<given-names><![CDATA[Cristian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Concepción Facultad de Ingeniería Departamento de Ingeniería Industrial]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>33</volume>
<numero>3</numero>
<fpage>505</fpage>
<lpage>520</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992017000300505&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992017000300505&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992017000300505&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El área de Concepción Metropolitano, en Chile, muestra elevados niveles ambientales de material particulado fino (MP2.5) aportado en parte por las fuentes industriales. Para analizar alternativas de reducción son comparados un sistema de permisos de emisiones transable y un estándar de emisión, considerando dos alternativas: tecnologías de fin de tubo o un cambio de combustible líquido a gas natural. Se concluye que ante la mayor disponibilidad de gas las fuentes industriales cambiarían sus combustibles incluso sin necesidad de regulación, lo que se explica por el diferencial de precios que genera importantes ahorros de costos, pero además el cambio de combustible genera importantes externalidades para la disminución de emisiones de SO2 y NOX (ambos contaminantes son precursores del MP2.5). Externalidades que justificarían subsidiar la instalación de plantas de gas natural licuado en zonas industriales altamente contaminadas por MP2.5.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The metropolitan area of Concepción, Chile, shows high ambient levels of fine particulate matter (PM2.5) due in part to industrial sources. In order to analyze reduction alternatives, a system of emission permisson is compared to an emission standard, considering two alternatives: end of pipe technologies and fuel substitution to natural gas. We conclude that with increases of natural gas availability, the industrial sources will change their fuel even without regulation because lower prices generate significant cost savings; moreover, fuel substitution generates externalities for reducing emissions of SO2 and NOX (both pollutants are precursors of PM2.5). These externalities should justify subsidizing the installation of liquid natural gas plants in industrial areas highly polluted with PM2.5.]]></p></abstract>
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<kwd lng="es"><![CDATA[economía ambiental]]></kwd>
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<kwd lng="en"><![CDATA[environmental economics]]></kwd>
<kwd lng="en"><![CDATA[cost-effective]]></kwd>
<kwd lng="en"><![CDATA[economic instruments]]></kwd>
</kwd-group>
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