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Tsinghua studies on alcohol-gasoline dual fuel engines show fuel efficiency and particle number benefits

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Researchers at Tsinghua University in China are studying the effects of Dual-Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline. However, engine knock with high pressure rise and pressure oscillation caused by end-gas auto-ignition is still the big obstacle for deep improvement of fuel consumption.

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Moody’s: Automakers fully engaged on BEVs, but transition will pressure returns; need to invest in multiple technologies

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Auto manufacturers are fully engaged in the global movement toward battery electric vehicles (BEVs) as part of their efforts to comply with emission requirements, but the transition will pressure their returns, according to a new report from Moody’s Investors Service. —Bruce Clark, Moody’s Senior Vice President and lead auto analyst.

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DeCicco: Transportation GHG reduction policy should focus upstream on fuel supply rather than downstream on choice of fuels in vehicles

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John DeCicco at the University of Michigan argues that to reduce transportation sector greenhouse gas emissions, the proper policy focus should be upstream in sectors that provide the fuel, rather than downstream on the choice of fuels in the automobile. The paper is available from the Social Science Research Network (SSRN).

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China publishes plan to boost fuel-efficient and new energy vehicles and domestic auto industry; targeting 500K PHEVs and EVs in 2015, rising to 2M by 2020

Green Car Congress

China’s State Council has published a plan to develop the domestic energy-saving and new energy vehicle industry, which includes battery-electric vehicles, plug-in hybrid vehicles and fuel cell vehicles. 2012 Chinese Auto Industry Development Report. By 2020, average passenger car fuel consumption is to drop to 5.0 L/100km (52.3

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Honda to end production of the Insight hybrid, commits to the expansion of hybrid offerings in the US

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Honda said the move reflects its reinforced commitment to a clear product strategy focused on further advancing fuel-efficient and alternative-fuel vehicle technologies that are better aligned with customer needs and that strengthen the company’s US sales momentum. of total sales. l/100 km, respectively). Earlier post.)

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Road Test: 2023 Kia Niro Hybrid

Clean Fleet Report

First debuting in 2017, the Niro is a key model for Kia as it offers three different propulsion choices, all of which offer excellent fuel economy or all-electric driving range. Head of the hybrid MPG class Hybrid Efficiency Efficient, but not quick The 2023 Kia Niro Hybrid running on 87 octane is the class leader in fuel economy.

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NPC report to Energy Secretary finds light-, medium- and heavy-duty vehicles could reduce per-mile GHG at least 40% by 2050; additional strategies required for further reductions

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Projected range of impact of demand, fuel efficiency improvements, and alternative fuel-vehicle systems on light-duty fleet GHG emissions. The study did not identify any portfolio of fuel-vehicle systems that provides a clear and cost-effective path to lowering transportation sector GHG emissions in 2050 by 50% relative to 2005.

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