<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>215</termId><termName>Biogas</termName><termType>TT</termType><termLanguage>en-EN</termLanguage><termVocabulary>SYMSITES</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Biogas</termSortkey><termNote label="Source"><![CDATA[ <p>https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Glossary:Biofuels</p> ]]></termNote><termNote label="Definition"><![CDATA[ <p><strong>Biogas</strong> is a gas composed principally of methane and carbon dioxide produced by anaerobic digestion of biomass or by thermal processes from biomass, including biomass in waste. In energy statistics, biogas is a product aggregate equal to the sum of landfill gas, sewage sludge gas, other biogases from anaerobic digestion and biogases from thermal processes. </p> ]]></termNote><termNote label="Definition"><![CDATA[ <p><strong>Biogas</strong> is a gas composed principally of methane and carbon dioxide produced by anaerobic digestion of biomass or by thermal processes from biomass, including biomass in waste. In energy statistics, biogas is a product aggregate equal to the sum of landfill gas, sewage sludge gas, other biogases from anaerobic digestion and biogases from thermal processes. </p> ]]></termNote><termCreatedDate>Biogas</termCreatedDate><relation><relationType>UF</relationType><termId>216</termId><termName>Bio-methane</termName><termType>ND</termType></relation></term>  </Zthes>