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0 pointsghusto3y ago0 comments

> Also, were diesel cars only getting those high mpg due to cheating the emissions limits? I never saw them in the US.

I don't believe so. Diesel is more efficient partially because diesel engines have been around longer (so have more improvements).

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1 comments · 1 top-level

They have a much higher compression ratio and also aren’t pumping across a partially closed throttle plate virtually all of the time.

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