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		<title>Efficient Concrete Replacement: Blocks of Trash</title>
		<link>https://metaefficient.com/architecture-and-building/efficient-concrete-replacement-blocks-of-trash.html</link>
					<comments>https://metaefficient.com/architecture-and-building/efficient-concrete-replacement-blocks-of-trash.html#comments</comments>
		
		<dc:creator><![CDATA[Justin Thomas]]></dc:creator>
		<pubDate>Fri, 06 Apr 2007 08:03:36 +0000</pubDate>
				<category><![CDATA[Architecture]]></category>
		<category><![CDATA[block]]></category>
		<category><![CDATA[building]]></category>
		<category><![CDATA[Concrete]]></category>
		<category><![CDATA[concrete replacement]]></category>
		<category><![CDATA[incinerator ash]]></category>
		<category><![CDATA[invention]]></category>
		<category><![CDATA[sewage sludge]]></category>
		<category><![CDATA[university of leeds]]></category>
		<category><![CDATA[waste]]></category>
		<category><![CDATA[waste vegetable oil]]></category>
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					<description><![CDATA[Last year’s trash could become next year’s model home, thanks to the invention of a new type of construction material made entirely from waste products. “Bitublocks,” created by engineer John Forth of the University of Leeds in England, are composed of recycled glass, sewage sludge, incinerator ash, the by-products of metal purification and pulverized fuel [&#8230;]]]></description>
		
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