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Researchers at the University of California, Davis have developed a process for the production of branched C 7 –C 10 hydrocarbons in the gasoline volatility range from biomass-derived levulinic acid with good yield, operating under relatively mild conditions, with short reaction times. Source: Mascal et al. Click to enlarge.
Knittel/Smith results for implied gasoline price effects from elimination of ethanol for 2010 using Du/Hayes model and pooled-sample estimates. Put simply, the empirical results merely reflect the fact that ethanol production increased during the sample period whereas the ratio of gasoline to crude oil prices decreased.
At the current pace of research and development, replacing gasoline and diesel with renewable fuel alternatives could take some 131 years, according to a new University of California, Davis, study using a new sustainability forecasting approach based on market expectations. —Nataliya Malyshkina, UC Davis postdoctoral researcher.
A research report submitted to the California Legislature this week by the University of California, Davis’ Institute of Transportation Studies proposes switching EVs to a mileage-based road-funding fee (road user charge, RUC) while continuing to have gasoline-powered cars pay gasoline taxes.
A team at UC Davis has optimized the levulinic ester self-condensation reaction and the efficient conversion of its products—which are highly branched cyclopentadienes—into a mixture of substituted cyclopentanes with high octane ratings and excellent density and flow properties. Zheng Li, Andrew L.
Plant-based diesel has been available for many years now but making a true gasoline-like hydrocarbon from plant oils has proven a lot more difficult. Chemists at the University of California, Davis think they''ve cracked it, though, using a new technique to make "biogasoline" from plant waste.
Replacing a gasoline-powered ride-hailing vehicle with an electric vehicle can deliver three times the carbon benefits of a personally owned electric vehicle, according to a study by a University of California, Davis, researcher of Uber and Lyft data. The paper is published in the journal Nature Energy.
Obligated parties are upstream producers and importers of gasoline and diesel fuel sold in the state. Developing a numerical model—calibrated so that it is similar to California’s gasoline market in 2010—they then simulate a number of market outcomes under an LCFS with and without various cost containment mechanisms.
Fuel economy for many conventional gasoline-fueled vehicles also continues to rise, according to Stacy Davis, who leads the fueleconomy.gov and Fuel Economy Guide projects at ORNL. Gone are the days when consumers who wanted the most fuel-efficient vehicle were urged to drive the smallest cars available, Davis said.
whereby Vitol would purchase 100% of the gasoline produced from MBFP’s industrial gasification and liquefaction facility located near. The cleaned syngas is conditioned, modified and converted to methanol, which is then converted to gasoline via the licensed ExxonMobil Research and Engineering methanol-to-gasoline (MTG) process.
These are the observations in an in-depth study of the industry by management professors at the University of California, Davis, and Dartmouth College. —Hemant Bhargava, a professor of technology management at the UC Davis Graduate School of Management. Bhargava, UC Davis Graduate School of Management; Jonas Boehm and Geoffrey G.
Water is required for crude oil recovery by water flooding, enhanced oil recovery via steam injection, and steam extraction of bitumen from oil sands and during refining of crude oil to produce gasoline. BW consumption intensities of gasoline from conventional crude oil and Canadian oil sands range from 0.41 and from 0.29
and Methanol Holdings Trinidad Limited (MHTL) announced that MHTL intends to partner with G2X Energy to construct the world-scale methanol-to-gasoline (MTG)-ready, methanol production facility being developed by G2X Energy in Lake Charles, Louisiana. G2X Energy, Inc. Earlier post.). The Big Lake Fuels LLC facility will produce 1.4
The work at UCL’s Department of Mechanical Engineering will be dedicated to spark ignition in gasoline engines, led by Dr. Pavlos Aleiferis. At the University of Oxford’s Department of Engineering Science, Dr. Martin Davy will lead the project on compression ignition in diesel engines. Earlier post.).
The study also concluded that despite the relatively high fuel carbon intensity of marginal electricity in California, alternative vehicle and fuel platforms still reduce emissions compared to conventional gasoline vehicles and hybrids, through improved vehicle efficiency. MJ -1 ) by vehicle pathway and timing profile. Source: McCarthy et al.
Researchers at Stony Brook University, with colleagues from The City College of New Tyork, Alloy Surfaces and Innoveering, explored the catalytic partial oxidation (CPOX) reforming of three potential transportation-relevant fuels—gasoline, diesel, and natural gas—for use in low-temperature combustion (LTC) engines.
program is paying nearly 10 times the projected price of carbon credits per ton in the best-case scenario, according to an analysis of the implied cost of carbon dioxide reductions under the program by UC Davis transportation economist Christopher Knittel. A gallon of gasoline creates roughly 20 pounds of carbon dioxide when combusted.
The average emissions for an electric vehicle in the UK are 75 gCO 2 /km, when CO 2 emissions at the power station are taken into account, according to an analysis by Gary Davis, Operations Director and chief greenhouse gas (GHG) analyst at Edinburgh-based carbon accounting firm Ecometrica. see figure below). Click to enlarge. Methodology.
billion gallons of gasoline and 45 million gasoline gallon equivalents of diesel. The average fuel mix was about 11.5% (by volume) ethanol in the gasoline mix (some fuels are sold as E85, 85% ethanol blended in gasoline) and 0.5% billion gallons of gasoline and 45 million gasoline gallon equivalents of diesel.
Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The new findings contradict previous research focused on the LA Basin which concluded that gasoline vehicles contributed more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles. Gentner et al. Click to enlarge.
But the study also found that EVs are generally driven less than gasoline cars, raising questions about their effectiveness as internal-combustion replacements. A team of researchers from the University of California Davis, University of.
A status review of California’s Low Carbon Fuel Standard (LCFS) ( earlier post ) for the period of 2011 and the first quarter of 2012 by Dr. Sonia Yeh at the Institute of Transportation Studies, UC Davis and Julie Witcover found that regulated parties in the LCFS—i.e., gCO 2 e/MJ for gasoline.
The green symbol and dashed arrow illustrate the large reductions in tailpipe VOC emission factors as precatalyst on-road gasoline vehicles were replaced by present-day vehicle fleets. Gasoline is stored in closed, hopefully airtight, containers and the VOCs in gasoline are burned for energy. You don’t do this with gasoline.
In a new, comprehensive study, a team from Argonne National Laboratory, Stanford University and UC Davis ITS has estimated the well-to-wheels (WTW) GHG emissions of US production of gasoline and diesel sourced from Canadian oil sands. This finding agrees with previous work. —Cai et al. Hao Cai, Adam R.
This real-world experience was complemented by significant contributions from the University of California at Davis for stakeholder and cluster model research, and the STREET [Spatially and Temporally Resolved Energy and Environment Tool] computer modeling developed by the University of California at Irvine.
Rodney Davis (IL-13) led introduction of the Renewable Fuels Infrastructure Investment and Market Expansion Act, which would expand access to higher blends of biofuels. The co-chairs of the US House Biofuels Caucus introduced two new pieces of legislation to increase access to biofuels and to recognize fully their environmental benefits.
The project led by Tang-Wei Kuo from General Motors is focused on optimizing multi-hole injectors for spark-ignited direct-injection (SIDI) gasoline engines. Recently, the most popular SIDI gasoline injectors have been multi-hole type. Davis (UC Davis), R.Sankaran (ORNL). Description. Processor hours (Site).
Electric cars could deliver even greater environmental benefits if they were to be used by ride-hailing services like Uber and Lyft than if they were to go to private use, according to a new study from the University of California, Davis. Replacing a gasoline ride-hailing vehicle with an EV can deliver three times the carbon reduction of a.
Growth Energy, an ethanol industry trade group, petitioned the EPA in March 2009 to raise the limit on ethanol in gasoline from 10 to 15 percent. Only three out of the eight engines were tested with straight gasoline containing no ethanol (E0), and one of those three failed the CRC’s test. Background. DOE response.
The anaerobic digester system that will be used was developed as a pilot project at the University of California, Davis. The University of California, Davis, will receive $2,770,072 to research the comparative value, benefits and drawbacks of all types of alternative fuels in California. EdeniQ is based in Visalia, Tulare County.
Daniel Sperling, director of the Institute of Transportation Studies at the University of California, Davis, member of the California Air Resources Board, and one of the co-creators of the California LCFS. Set a target of reducing the carbon intensity of gasoline and diesel by 10 to 15 percent by 2030.
Production of bio-based jet and diesel is expected to begin in 2013 and production of bio-based gasoline, part of the C 3 product platform, will follow in 2015. The grant allows ZeaChem to use our existing integrated demonstration facility to develop advanced biofuels beyond cellulosic ethanol, including bio-based jet, diesel and gasoline.
The most extreme case, Severin Borenstein and Lucas Davis found through their examination of tax return data from the IRS, is the program aimed at electric vehicles—the top income quintile received about 90% of all these credits. Source: Borenstein and Davis. —Borenstein and Davis (2015). —Borenstein and Davis.
EDI was co-founded by Professor Andy Frank from UC Davis—a key figure in the development of the PHEV concept and technology—in 2006. The effort combines EDI’s intelligent multi-mode PHEV powertrain (EDI-Drive) with Greenkraft’s CNG-powered 14,500-pound, Class-4 medium-duty truck, which is equipped with a 6.0L
Their definition for alternative powertrains/fuels eliminates pure gasoline and diesel powertrains/fuels, but does include hybridization of those fuels. Davis, personal communication, February 20, 2010). hybrid engines that use gasoline or diesel fuel). The governments, the energy companies, and the. evolutionary thinking.
A 2009 report by Sandia National Laboratories predicted that cellulosic ethanol could replace about 30% of the nation’s gasoline by 2030, if the price of production could be reduced. Davis, G.W. The work was funded by the US Department of Energy (DOE) and The Consortium for Plant Biotechnology Research Inc. Earlier post.). Salem, J.S.
In 2010, a CCEI research team led by Mark Davis of Caltech discovered a new catalyst, called Tin-Beta, which can convert glucose into fructose. Resources. Luke Williams, Chun-Chih Chang, Phuong Do, Nima Nikbin, Stavros Caratzoulas, Dionisios G. Vlachos, Raul F. Lobo, Wei Fan, and Paul J.
This is not much different from diesel and gasoline which are produced from refining and cleaning crude oil (a process which heavily involves the use of hydrogen). Hydrogen is the most abundant element in the Universe but, on earth, it must normally be extracted from water or organic compounds.
Published in The RAND Journal of Economics and funded by the California Air Resources Board, Archsmith collaborated with Kenneth Gillingham of Yale University, Christopher Knittel of MIT, and David Rapson of the UC Davis Department of Economics to examine vehicle purchasing behaviors using California-based data. —David Rapson.
These blendstocks are best-suited for light-duty (LD) gasoline BSI engines. George, Anthe, Monroe, Eric, Davis, Ryan W., This work will help the research community better understand the efficiencies that biofuels bring to the table, and identifies the biofuels that enable more efficient engine design and operation. Gaspar, Daniel J.,
There is a growing realization that the first half of next year is going to look very weak,” Gareth Lewis-Davies, a strategist at the Paris-based bank BNP Paribas, told Reuters. US backlogs of gasoline and distillates also were up, according to the API. As a result, the price of Brent crude has plunged more than 40 percent since June.
The research, conducted by Argonne researchers in collaboration with Stanford University and the University of California, Davis, analyzed the Eagle Ford shale formation in Texas and the Bakken play mainly in North Dakota. g CO 2 eq/MJ for gasoline blendstock, 5.0 g CO 2 eq/MJ for gasoline blendstock, 10.2 for diesel, and 5.1
Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. Edward Schelegle, University of California, Davis. Specifically, we found that 6.6
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