EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline
Green Car Congress
APRIL 6, 2016
Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% The octane rating of gasoline is an indicator of its resistance to spontaneous combustion. Use of higher-octane gasoline can offset the increased risk of engine knock caused by increasing engine compression.
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