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	<title>combustion phasing &#8211; BIOENGINEER.ORG</title>
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		<title>Overlapping Diesel and Gas Injections Push Natural Gas Truck Engines to Record Efficiency</title>
		<link>https://bioengineer.org/overlapping-diesel-and-gas-injections-push-natural-gas-truck-engines-to-record-efficiency/</link>
		
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		<pubDate>Sun, 11 Oct 2026 16:51:15 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[brake thermal efficiency]]></category>
		<category><![CDATA[combustion phasing]]></category>
		<category><![CDATA[compound injection mode]]></category>
		<category><![CDATA[decarbonization]]></category>
		<category><![CDATA[diesel micro-pilot ignition]]></category>
		<category><![CDATA[heavy-duty trucks]]></category>
		<category><![CDATA[HPDI]]></category>
		<category><![CDATA[injection timing]]></category>
		<category><![CDATA[natural gas engine]]></category>
		<category><![CDATA[NOx emissions]]></category>
		<category><![CDATA[Results in Engineering]]></category>
		<category><![CDATA[THC emissions]]></category>
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					<description><![CDATA[A new experimental study shows that overlapping diesel pilot and natural gas injections in a heavy-duty HPDI engine raises brake thermal efficiency to about 46.5 percent, though it increases nitrogen oxide and hydrocarbon emissions.]]></description>
		
		
		
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