n> <span class="va">Sao_Paulo</span>, MG <span class="op">=</span> <span class="va">Minas_Gerais</span><span class="op">)</span>,</span>
<span>                         grid  <span class="op">=</span> <span class="va">grid</span>,</span>
<span>                         mm    <span class="op">=</span> <span class="fl">28</span>, </span>
<span>                         plot  <span class="op">=</span> <span class="cn">T</span><span class="op">)</span></span>
<span><span class="co"># calculating emissions for CO u