How is this news? Yes, you need more energy to move a larger heavier object…Granted, the older engines might not be the most efficient but they weren’t that bad that you can compensate a weight increase of this magnitude!
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That it is massive means it needs to use more energy to accelerate. Choosing big vehicles where smaller ones will do is a real problem
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“doesn’t have to be” but in practice they in fact are. I wouldn’t call this a bias problem; it’s that people are making and selling and buying huge and inefficient vehicles.
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A 1985 Honda Civic got 34mpg. A modern Ford F150 gets between 14 and 25
The newer engines are a lot more efficient, but in the US (and a lot of other places) that increased efficiency has been used to move a bigger heavier vehicle, rather than to cut overall fuel use.