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Effects of ETBE-Blended and Ethanol-Blended Gasolines on Vehicle Driveability and Exhaust Emissions (Second Report)
Published October 01, 2007 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
The effects of ETBE-blended and ethanol-blended gasolines on vehicle driveability and exhaust emissions were studied using current-model vehicles with different fuel systems: port and direct fuel injection. The blend ratios (ETBE: 15, 23%, ethanol: 10%) were set such that the concentrations of ETBE and ethanol exceeded limits prescribed in Japan?s ?Law on the Quality Control of Gasoline and Other Fuels.? With the blended gasolines, measured emissions on CO and THC were lower than with the 100% hydrocarbon gasoline for both vehicles; the driveability had slightly deteriorated, although all these performances remained within acceptable limits.