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Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

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A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. Blends with lower alcohol content allowed small improvements in EGR tolerance; only E85 showed a notable increase in tolerance.

Geely invests in Carbon Recycling Intl.; vehicles fueled by methanol from CO2, water and renewable energy

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Vulcanol is fuel-grade methanol, a clean burning, high-octane fuel that can be blended with gasoline for automobiles and used in the production of biodiesel or fuel ethers (DME, MTBE, OME etc.). Their results showed that in comparison with gasoline mode, CO emitted in methanol mode decreased 11.2%. I’m excited to be working with them.

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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The growth in hydrous ethanol, which uses a blend of 94-95% ethanol to 5-6% water, rapidly increased during the 1980s, with consumption peaking in 1989. Although it previously used a hydrous ethanol blend, Brazil shifted toward the aforementioned anhydrous ethanol, which is used in a ratio of ethanol to gasoline of 20-24:80-76. psi).