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Monash study on solar-driven electrolysis for green hydrogen production cautions on life-cycle emissions and EROI

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Researchers at Monash University in Australia have conducted a lifecycle analysis and net energy analysis (LCA/NEA) of a hypothetical large-scale solar-electrolysis plant for the production of green hydrogen. of hydrogen is currently produced via water electrolysis and only a fraction of this production is powered by renewable energy.

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First reference installation of Opcon Waste Heat Recovery technology for ships; potential for 5–10% fuel savings

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Opcon, in collaboration with Wallenius Marine, recently completed the first reference installation of its Waste Heat Recovery technology for ocean-going vessels in a project supported by the Swedish Energy Agency. The first reference installation features both Opcon Powerbox ORC and Opcon Powerbox WST. The MV Figaro. Click to enlarge.

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Porsche simulates hydrogen V8 for virtual Nordschleife run; 440 kW, 261 km/h, near-zero NOx

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On the other hand, however, the lower exhaust gas temperatures result in a lack of energy for their propulsion on the exhaust side. Their approach was to keep the level of raw emissions low by means of extremely lean and therefore colder combustion, making it possible to dispense with an exhaust aftertreatment system.

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First orders for MAN G80 dual-fuel methanol engine

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The engines, which are capable of operation on green methanol and conventional fuel-oil, represent the first order for the G80 bore size; they will also feature MAN Energy Solutions’ proprietary EGR (Exhaust Gas Recirculation) systems.

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Westport Fuel Systems & AVL conclude high-efficiency H2 powertrain can outperform fuel cells in TCO for heavy-duty applications

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Comparison of engine indicated efficiency with three different combustion approaches (PFI SI, ECDI SI and HPDI) for H2 with a diesel reference under full load operation. The models indicate NO x emissions can be managed with EGR and commercially available Urea-SCR NO x exhaust aftertreatment technology. Source: Westport/AVL.

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International consortium working on new sensor technology to measure real-world, in-use vehicle emissions

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As part of the Horizon 2020 research project CARES (City Air Remote Emission Sensing), an international research consortium is working on new contactless exhaust measurement methods that will enable municipalities to take emission-reducing measures. The aim is to detect the exhaust class of each individual vehicle using these measurements.

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SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

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Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system. Chadwell et al., 2014-01-1190.

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