Summary
A recent U.S. Department of Energy report reveals that over half of new light-duty vehicles sold annually since 2018 either require or recommend premium gasoline. This shift, driven by the rise of turbocharged engines demanding higher octane fuel to prevent knocking, marks a significant change from 1985 when less than 7% of such vehicles needed premium gas. In 2023, 27% of new models required premium fuel, and 26% recommended it, underscoring the growing trend toward high-octane gasoline for enhanced performance and efficiency.
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