Expanding on the Gadget Bloat post – a scholarly approach

An MIT economist details the interesting relationship between the overall weight of cars, their more powerful engines, and how that has conspired to make today’s much more efficient engines less efficient in the real world.

Contrary to common perception, the major automakers have produced large increases in fuel efficiency through better technology in recent decades. There’s just one catch: All those advances have barely increased the mileage per gallon that autos actually achieve on the road.

The case of the missing gas mileage – MIT News Office.

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