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Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

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Volkswagen continues to refine its most important diesel engine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company. As previously, the 2.0 This has a volume of 3.4

Diesel 435
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Study finds diesel oxidation catalyst eliminates mutagenicity of diesel exhaust in gas phase

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A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. Diesel engine emissions (DEE) are classified as probably carcinogenic to humans.

Exhaust 231
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Cummins Westport begins development on new mid-range natural gas engine; production by 2015

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liter natural gas engine designed to meet the increasing demand for on-highway vehicles powered by natural gas. G engine will be based on the Cummins ISB6.7 diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology.

Gas 240
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Researchers propose low-temperature SOFC unit for reducing NOx and oxidizing HCs in lean-burn engine exhaust

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A team from National Tsing Hua University, Taiwan, reports that a low-temperature solid oxide fuel cell (SOFC) emissions control system for lean-burn engines can simultaneously reduce the high concentrations of NO x and oxidize hydrocarbon (HC) emissions.

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Mitsubishi Heavy develops high efficiency 2MW gas engine; turbocharging and Miller cycle

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(MHI), as part of the Strategic Innovation Program for Energy Conservation Technologies operated by the New Energy and Industrial Technology Development Organization (NEDO), has developed a 2-megawatt (MW) 16-cylinder high-speed gas engine achieving one of the worlds highest power generation efficiency ratings in a high-speed gas engine.

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Audi presents latest SQ5 TDI diesel; 48V MHEV & electric compressor

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The SQ5 TDI was first introduced in the fall of 2012 as the first Audi S model powered by a diesel engine. The wide engine speed range can be used continuously between 1,750 rpm and 3,250 rpm. An actuator in the exhaust system, as fitted to the first SQ5 TDI, gives the V6 a sonorous sound. lb-ft) of torque. l/100km (33.6

Audi 269
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Volkswagen to implement cylinder deactivation in 4-cylinder 1.4 TSI engines in 2012

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liter TSI turbocharged, direct-injection engine beginning in 2012. Volkswagen is the first carmaker to implement this technology in a turbocharged four-cylinder engine in large-scale production. When the Stop/Start functionality is integrated, which deactivates the engine in neutral gear, the savings effect adds up to about 0.6

Engine 325