article thumbnail

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

Green Car Congress

Small improvements in thermal efficiency when using E85 under part-load drive cycle conditions are vastly outweighed by the deficit in the calorific value of this fuel. The team studied fuel injection timing and pressure; excess air tolerance; EGR tolerance; and spark retard limits at both part and boosted high load conditions.

article thumbnail

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

Green Car Congress

This investment will build on our existing methanol technology, facilitating even more valuable solutions and helping to propel this part of our business in China. Their results showed that in comparison with gasoline mode, CO emitted in methanol mode decreased 11.2%. —Wang et al. Sileghem, L., Wallner, T., and Verhelst, S.

Renewable 150
article thumbnail

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

Green Car Congress

Designated volatility attainment and designated volatility nonattainment areas and their exact boundaries are described in 40 CFR part 81, or such part as shall later be designated for that purpose. d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) 40 CFR ยง 80.27(d)