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

Green Car Congress

SEPTEMBER 3, 2017

A team at the University of Birmingham reports that a blend of 33% v/v of butanol in EN228 commercial gasoline containing 5% of ethanol (B33) reduces GDI (gasoline direct injection) engine-out carbonaceous emissions, while maintaining similar levels of NO x emissions when compared to standard gasoline combustion at low and medium engine loads.

Gasoline

Gasoline Emissions Engine B0

Optimizing Turbo Diesels for Emissions and Performance with 5% and 20% Biodiesel Blends

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

Diesel Emissions B0 Exhaust

EV Driven

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

Optimizing Turbo Diesels for Emissions and Performance with 5% and 20% Biodiesel Blends

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