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Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

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Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine. —Han et al.

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EIA Energy Outlook 2013 reference case sees drop in fossil fuel consumption as use of petroleum-based liquid fuels falls; projects 20% higher sales of hybrids and PHEVs than AEO2012

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The US Energy Information Administration released its Annual Energy Outlook 2013 (AEO2013) Reference case (the Early Release ), which highlights a growth in total US energy production that exceeds growth in total US energy consumption through 2040. new appliance standards and CAFE) and changes in the way energy is used in the US economy.

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EIA projects decline in transportation sector energy consumption through 2037 despite increase in VMT, followed by increase

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For the Transportation sector, EIA projects that energy consumption will decline between 2019 and 2037 (in the Reference case) because increases in fuel economy more than offset growth in vehicle miles traveled (VMT). Light-duty vehicle miles traveled increases by 20% in the Reference case, growing from 2.9

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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Total BEV sales in California at 8.9% of 2030 goal

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The California Center for Jobs & The Economy has released an updated report ( earlier post ) on the progress of ZEV sales in the state during the first half of 2020, drawing on sales data from the California New Car Dealers Association (CNCDA). Data: California Center for Jobs & The Economy. million by 2025. in H1 2020 to 7.8%

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MITEI releases report on 3-year study of future mobility; technological innovation, policies, and behavioral changes all needed; “car pride” an issue

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The EPPA model provides economy-wide coverage of the world, disaggregated into 18 regions, and solves at five-year increments. The reference scenario assumes continued strengthening of fuel efficiency standards for LDVs, as well as expanded use of renewables for power generation. From Insights into Future Mobility.

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IEA: improving efficiency of road-freight transport critical to reduce oil-demand growth; three areas of focus

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Although trucks are a major contributor to the growth in transport-fuel consumption and emissions, the sector receives far less attention and policy focus than passenger vehicles, the IEA noted. Only four countries have energy-efficiency standards for heavy trucks, compared with some 40 countries with passenger-vehicle standards.

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