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

Green Car Congress

SEPTEMBER 3, 2017

viscosity and heat of vaporization) resulted in a negative impact on carbon monoxide emissions at low load due to combustion inefficiencies. The engine was operated at stoichiometric conditions where the oxygen concentration was controlled by a Heated Exhaust Gas Oxygen (HEGO) sensor. For the study, the team used a fou-cylinder, 2.0-liter

Gasoline 170
Gasoline Emissions Engine B0 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

AUGUST 20, 2009

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.

Massachusetts 225
Massachusetts Waste Oil Diesel 225
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