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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

Green Car Congress

A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.

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Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

Green Car Congress

Environmental impacts of gasoline and E85. In a similar way, the full breadth of impacts attributable to conventional gasoline production, such as natural resource consumption and hazardous pollutant emissions, must also be considered in order to make balanced comparisons to biofuels. Process flow diagrams for E85 and gasoline.

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ICCT study compares leading global driving cycles and provides usable conversion factors for CO2 emissions

Green Car Congress

The result is a set of usable conversion factors for distance-based CO 2 emissions among the different driving cycles. The direct comparison of CO 2 or FC standards’ stringencies from different regions not only depends on the different driving cycles applied but also on the technical characteristics of the regional vehicle fleets.

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USDA provides $91M loan guarantee to Cool Planet for biogasoline blendstock plant; biomass pyrolysis and catalytic conversion

Green Car Congress

Gas chromatography comparison of Conoco fuel and a Conoco-CoolPlanet blend. Cool Planet’s biogasoline blendstock is 100% compatible with pump gasoline. Cool Planet has devised a biomass-to-liquids thermochemical conversion process that simultaneously produces liquid fuels and sequesterable biochar useful as a soil amendment.

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Argonne: longer-range BEVs may be almost as powertrain energy dense as gasoline vehicles by 2045

Green Car Congress

Despite projected improvements in battery technology, this form of energy storage is still expected to be significantly less energy dense than gasoline even by 2045. This requires assessing the efficiency of the conversion of the stored energy to useful mechanical energy to propel the vehicle. Vijayagopal et al. Click to enlarge.

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Swiss company outlines methanol-to-gasoline option for Alaska North Slope gas to state legislature

Green Car Congress

Methanol-to-gasoline process flow diagram. The resulting methanol would be blended with crude and transported via the trans-Alaska oil pipeline to Valdez, where it would be extracted from the oil and processed via Methanol-to-Gasoline technology into gasoline. Gasoline could be delivered from Valdez at $2.65 Source: EMRE.

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NREL report estimates gasoline produced from biomass could cost about the same as ethanol

Green Car Congress

Current case design block flow diagram of thermochemical gasoline from biomass-derived methanol and the methanol-to-gasoline process. Gasoline has a higher energy content than ethanol.) Source: NREL. Click to enlarge. gallon US ($0.52/liter). gallon US ($0.52/liter). gallon ($0.37/liter). per gallon ($0.41 per liter) and $1.49