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Argonne study finds BEVs can have lowest scheduled maintenance costs, but highest cost of driving

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Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.

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DOE researchers investigate economic and environmental impacts of converting wet waste to renewable diesel

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Meanwhile, wet waste feedstocks, such as animal manure and fats, oils, and greases (FOG), represent another important category of resources that could be utilized to produce MCCI bioblendstocks due to its abundant availability. Skaggs et al. demand in 2016. Skaggs et al. demand in 2016. —Ou et al. 1c06561.

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MIT study finds fuel economy standards are 6-14 times less cost effective than fuel tax for reducing gasoline use

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In a study published in the journal Energy Economics , MIT researchers have found that a fuel economy standard is at least six to fourteen times less cost effective than a fuel tax when targeting an identical reduction in cumulative gasoline use (20% by 2050). Paltsev, M. Babiker, J.M.

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Survey Finds US Hybrids and Diesels Beat Gasoline Models on Full Cost of Ownership

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An IntelliChoice.com survey finds that most 2009 US hybrid and clean diesel cars, trucks and SUVs deliver a lower total cost of ownership compared to gasoline versions of the same (or comparable) vehicles. the Ford Escape Hybrid is compared against the conventional, gasoline-fueled Ford Escape. James Bell, editor of IntelliChoice.com.

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Study: natural gas heavy-duty trucking fleet could benefit economy, but has mixed environmental effects

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For the study, the researchers used a proprietary spatial modeling program to investigate the possible advantages and disadvantages of natural gas as a transportation fuel and its potential role in enabling other alternative fuels. Improve energy security and weather-event resiliency by diversifying the geographic fuel supply.

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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). Gains in energy efficiency offset increases in travel for passenger and freight modes.

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

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Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio.