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Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2

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A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. gasoline demand would have put upward pressure on world oil prices.

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Amyris renewable jet fuel receives regulatory approval in Brazil for blends up to 10%

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Brazil’s fuels regulator, ANP, has cleared the way for the commercialization in Brazil of Amyris renewable jet fuel in blends of up to 10%. In the ES&T study base case, the researchers calculated a “rather optimistic” GHG footprint of 8.5g That paper is published in the ACS journal Environmental Science & Technology. Earlier post.).

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Study: Kerry-Lieberman Bill Would Cut US Oil Imports By Up to 40% Below Current Levels

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A new study by the Peterson Institute for International Economics concluded that the Kerry-Lieberman “American Power Act”—the energy and climate change legislation recently introduced in the Senate ( earlier post )—would reduced US oil imports by 33-40% below current levels and by 9-19% below projected business-as-usual levels by 2030.

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Sandia study finds meeting RFS2 requirements unlikely without stronger enforcement mechanism; the importance of drop-in biofuels

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The Sandia researchers showed that the key to meeting the RFS2 targets is the fuel price differential between E85 fuel and conventional gasoline (low ethanol blends), so that E85 owners refuel with E85 whenever possible. The Sandia study examines the set of circumstances under which the RFS2 mandate might be satisfied. Barter, Dawn K.

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Stanford, UC Santa Cruz study explores ramifications of demand-driven peak to conventional oil

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In contrast to arguments that peak conventional oil production is imminent due to physical resource scarcity, a team from Stanford University and UC Santa Cruz has examined the alternative possibility of reduced oil use due to improved efficiency and oil substitution. 2010, to above 140 $/bbl in constant 2010 dollars).

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IIASA: removing fossil fuel subsidies will not reduce CO2 emissions as much as hoped

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Removing fossil fuel subsidies would have only a small effect on CO 2 emissions and renewable energy use, according to a new study led by the International Institute for Applied Systems Analysis (IIASA) and published in the journal Nature. First, these subsidies generally apply only to oil, gas, and electricity.

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Australian techno-economic analysis of renewable aviation fuels identifies research priorities to lower the high costs

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The results of the study, which was conducted as part of the Queensland Sustainable Aviation Fuel Initiative , were presented at the Boeing-hosted Aero Environment Summit in Sydney. Pongamia pinnata is a legume tree which produces a seed rich in oil.) Pongamia pinnata is a legume tree which produces a seed rich in oil.)

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