Green Car Congress

AUGUST 20, 2009

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. Other forms of renewable biomass—agricultural crop residues, dedicated energy crops, or algae—are excluded.

Massachusetts 225

Massachusetts Waste Oil Diesel 225

Green Car Congress

DECEMBER 22, 2009

Prior studies have shown that higher biodiesel fuel consumption and biodiesel-NO x emissions can be mitigated to some extent via modulation of four engine parameters—air/fuel ratio (AFR), exhaust gas recirculation (EGR) fraction, injection (rail) pressure, and start of main fuel injection (SOI)—alone or in concert.

Diesel 186

Diesel Emissions B0 Exhaust 186

Green Car Congress

SEPTEMBER 3, 2017

The engine was operated at stoichiometric conditions where the oxygen concentration was controlled by a Heated Exhaust Gas Oxygen (HEGO) sensor. The 33% v/v butanol-gasoline fuel was blended at the University of Birmingham using standard EN228 gasoline with 5% (v/v) ethanol content (B0) and pure n-butanol. liter Ford GDI engine.

Gasoline 170

Gasoline Emissions Engine B0 170