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Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

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Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.

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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. liter gasoline direct injection engine. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system.

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New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

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liter EcoBoost gasoline turbocharged direct injection (GTDI) four-cylinder unit. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger. —Pete Pandolfi, 2.3-liter

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Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

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liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). Since these technologies also improve the engine thermal efficiency at low load areas, it is being considered whether these technologies will overcome the weakness of NA [naturally aspirated] gasoline engines. Kurauchi, T.

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U. Minn. team proposes strategy for automated selection of optimal biomass-derived fuel blends and synthesis paths

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Proposed strategy for connecting automated network generation and optimization. Consequently, there are several potential biomass-derived compounds that can be blended with gasoline, and multiple chemical routes may exist to synthesize each one of them. Resources. Credit: ACS, Marvin et al. Click to enlarge. —Marvin et al.

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Honda details development of powertrain components for Accord plug-in hybrid

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At SAE World Congress in Detroit, Honda engineers presented several papers on the development of the new Accord plug-in hybrid, describing work on the new gasoline engine (which will also be featured in the coming full hybrid version of the Accord), and the development of the new two-motor system. gasoline engine. Bore x stroke (mm).

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Infiniti introducing production-ready variable compression ratio engine at Paris Motor Show

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Infiniti said that the new four-cylinder turbocharged gasoline VC-T engine has been in development for more than 20 years. The piston and crankshaft are connected by means of the upper and lower links. The lower link is also connected, via the control link, to the center of the eccentric journal of the control shaft. Hiyoshi, R.,

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