Alcohol Blend Emissions Light 
Green Car Congress
NOVEMBER 26, 2013
Summary of significant emissions results from the fuel testing. Given equivalent deployment of butanols and ethanol, the results suggest emissions of unburned alcohols would decrease, but carbonyl emissions would increase; some of these compounds have poorly understood health effects, they note. Click to enlarge.
Green Car Congress
MARCH 27, 2020
For the past four years, the Co-Optimization of Fuels & Engines (Co-Optima) National Laboratory consortium has focused research efforts primarily on turbocharged (boosted) spark-ignition (SI) engines for light-duty vehicles. Of the fuel properties investigated, these six were found to have the most impact on engine efficiency and emissions.
Green Car Congress
OCTOBER 11, 2019
These blendstocks are best-suited for light-duty (LD) gasoline BSI engines. The merit function determines potential improvements in engine efficiency, was used to evaluate the performance of candidate bio-blendstocks in blends up to 30%. The blendstocks were identified using a fuel property basis using the BSI merit function.
Green Car Congress
JUNE 28, 2019
The merit function quantifies the impact of six fuel properties—research octane number (RON), octane sensitivity (S), heat of vaporization (HOV), flame speed, particulate matter index (PMI), and catalyst light-off-temperature—on boosted SI efficiency.
Green Car Congress
AUGUST 25, 2015
A higher compression ratio can be used if an engine will operate primarily at light loads, such that degraded efficiency at high loads is more than offset by improved efficiency at light loads. Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value.
Green Car Congress
JULY 8, 2015
CRI, founded in 2006 in Reykjavik, Iceland, is developing technology to produce renewable methanol from clean energy and recycled CO 2 emissions. Geely is committed to achieving the long-term goal of zero emissions mobility through a diverse suite of new energy solutions, including renewable methanol vehicle technology.
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