Hyperdrive

Detroit Went Green and Accidentally Got Faster

The unintentional byproduct of auto efficiency: speed.
2018 Ford Mustang V8 GT with Performance Package in Orange Fury
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Sometime in the next year or so, the U.S. auto industry will cross a once-unimaginable threshold: Average horsepower for the entire fleet will reach 300. (At the moment, it is tuned up to 296.)

It is an absurd number—the stuff of drag-racing dreams. It’s also, almost entirely, a happy accident. The engineers tuning up the industry’s average sedans and dad-jeans SUVs have spent the past decade trying to lower emissions; speed was an unintended byproduct.