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% One significant trend is engine downsizing coupled with turbocharging. In these cases, the turbocharged models have higher fuel economy and more power than the naturally aspirated engines they replaced or supplemented.
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