Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 21 checked references that resolve
resolves10.2172/1218330Thermochemical Design Report: Thermochemical Ethanol via Indirect Gasification and Mixed Alcohol Synthesis of Lignocellulosic Biomass
resolves10.1021/cr068360dSynthesis of Transportation Fuels from Biomass: Chemistry, Catalysts, and Engineering
resolves10.2172/1024518Utilization of Renewable Oxygenates as Gasoline Blending Components
resolves10.4271/820002Modification of CFR Test Engine Unit to Determine Octane Numbers of Pure Alcohols and Gasoline-Alcohol Blends
resolves10.4271/932953A Performance Study of Iso-Butanol-, Methanol-, and Ethanol-Gasoline Blends Using a Single Cylinder Engine
resolves10.1021/ie50285a005Industrial Uses for Cane Sugar II. Properties of Alkyl Esters of Levulinic Acid
resolves10.1038/nature05923Production of dimethylfuran for liquid fuels from biomass-derived carbohydrates
resolves10.1021/ef901575aCombustion and Emissions of 2,5-Dimethylfuran in a Direct-Injection Spark-Ignition Engine
resolves10.4271/821188Emissions, Fuel Economy, and Driveability Effects of Methanol/Butanol/Gasoline Fuel Blends
resolves10.1021/ja01056a002Vapor-Liquid Equilibrium. XI. A New Expression for the Excess Free Energy of Mixing
resolves10.2172/975389Experimental and Modeling Study of the Flammability of Fuel Tank Headspace Vapors from Ethanol/Gasoline Fuels, Phase 2: Evaluations of Field Samples and Laboratory Blends
resolves10.4271/932675Exhaust Emissions and Field Trial Results of a New, Oxygenated, Non-Petroleum-Based, Waste-Derived Gasoline Blending Component: 2-Methyltetrahydrofuran
resolves10.1021/ef980002tEffects of Some Oxygenated Substitutes on Gasoline Properties, Spark Ignition Engine Performance, and Emissions
resolves10.1021/ef101125cOctane Numbers of Ethanol− and Methanol−Gasoline Blends Estimated from Molar Concentrations
The 25 references without a DOI — listed, not checked
no DOI — not checkedwww.rangefuels.com(Accessed January 14, 2009) .
no DOI — not checkedwww.technologyreview.com/read_article.aspx?ch=specialsections&sc=biofuels&id=21134(Accessed April 6, 2011.)
no DOI — not checkedAlcohols and Ethers: A Technical Assessment for Their Application as Fuels and Fuel Components,3rdEd.; API Publication 4261, American Petroleum Institute, Washington, DC, June 2001.
no DOI — not checkedref10/cit10
no DOI — not checkedUnzelman, G. H.; Forster, E. J.; Burns, A. M.Are There Substitutes for Lead Antiknocks?Proceedings from the American Petroleum Institute’s Division of Refining 36th Midyear Meeting, San Francisco, CA, May 12–14, 1971; Vol.51.
no DOI — not checkedIndustrial Solvents Handbook
no DOI — not checkedwww.inchem.org(Accessed April 6, 2011) .
no DOI — not checkedLange’s Handbook of Chemistry
no DOI — not checkedHandbook of Chemistry and Physics
no DOI — not checkedwww.pschem.com(Accessed April 6, 2011) .
no DOI — not checkedhttp://www.chemspider.com/RecordView.aspx?rid=47e76df7-2aa4-40cb-9e05-13852890e93e(Accessed June 29, 2011) .
no DOI — not checkedttp://www.chemspider.com/RecordView.aspx?rid=16c0cdae-ae1e-4c3b-8f33-5daa335110ad(Accessed June 29, 2011) .
no DOI — not checkedwww.sigmaaldrich.com(Accessed April 6, 2011) .
no DOI — not checkedhttp://www.chemspider.com/RecordView.aspx?rid=809c703c-d88a-4802-894d-46b1a583865a(Accessed June 29, 2011) .
no DOI — not checkedhttp://cameochemicals.noaa.gov/chemical/20706(Accessed April 6, 2011) .
no DOI — not checkedU.S. Environmental Protection Agency. FRL-3856-9, Regulation of Fuels and Fuel Additives; Definition of Substantially Similar. http://www.epa.gov/oms/regs/fuels/additive/jan91.pdf(Accessed June 24, 2011) .
no DOI — not checkedU.S. Environmental Protection Agency. http://www.epa.gov/otaq/regs/fuels/additive/e15/(Accessed June 24, 2011) .
no DOI — not checkedref32/cit32a
no DOI — not checkedref32/cit32b
no DOI — not checkedref33/cit33
no DOI — not checkedGevo, Form S-1,http://secwatch.com/filings/view.jsp?formid=7340051(Accessed April 6, 2011) .
no DOI — not checkedSierra Research.Identification and Review of State/Federal Legislative and Regulatory Changes Required for the Introduction of New Transportation Fuels, Report SR2010-08-01, August 4, 2010; http://www.api.org/aboutoilgas/otherfuels/upload/Sierra_Final_Alt_Trans_Fuel_Report_080410.pdf.
no DOI — not checkedCode of Federal Regulations, Title 40, 86.113-04.
no DOI — not checkedCoordinating Research Council. Cold-Start and Warmup E85 and E15/E20 Driveability Program, October 2008; CRC Report 654, 2008,www.crcao.org.
no DOI — not checkedChristensen, E.; Williams, A.; Paul, S.; Burton, S.; McCormick, R. L.Performance and Properties of Levulinate Esters as Diesel Blend Components(manuscript in preparation).
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