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Birmingham study finds butanol-gasoline blend reduces GDI engine-out carbonaceous emissions; similar NOx

Green Car Congress

viscosity and heat of vaporization) resulted in a negative impact on carbon monoxide emissions at low load due to combustion inefficiencies. EGR improved both Brake Specific Fuel Consumption (BSFC) and Brake Thermal Efficiency (BTE) for the studied fuels with respect to baseline conditions. higher flame speed).

Gasoline 170
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Massachusetts to Accept Only Waste-Derived Biofuels to Qualify for Mandate for Diesel and Home Heating Oil

Green Car Congress

Other forms of renewable biomass—agricultural crop residues, dedicated energy crops, or algae—are excluded. For consideration as a qualifying fuel, the waste-derived biofuel must yield a 50% greenhouse gas reduction threshold required in the Massachusetts law as determined by a preliminary analysis based on both CARB and EPA methodologies.