Green Car Congress

MAY 1, 2009

Among their findings was that for gasoline fuels, aggressively downsizing the engine and adopting homogeneous direct fuel injection enabled an improvement in fuel consumption of ~17% over the New European Drive Cycle compared to a naturally aspirated PFI unit. The addition of alcohol did not improve excess air tolerance. Cairns et al.

Alcohol Blend 186

Alcohol Blend Downsizing Engine Fuel 186

Green Car Congress

MARCH 27, 2020

This research involves identifying the fuel properties and engine parameters that mitigate knock and emissions, while maximizing boosted SI efficiency and performance. Of the fuel properties investigated, these six were found to have the most impact on engine efficiency and emissions. What Fuels Should We Make?

Alcohol Blend 243

Alcohol Blend Fuel Engine Fuel Economy 243

Green Car Congress

AUGUST 25, 2015

. … To achieve continued improvement in engine efficiency and CO 2 emissions, it is critical to quantify the roles of fuel octane rating and alcohol content. Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value.

Engine 150

Engine Fuel GM Ford 150