Why Increasing An Engine's Compression Ratio Makes It More Efficient

You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an engine's fuel efficiency?

  Car Talk, Autos   Feb 23, 2026   0   22  Add to Reading List
Why Increasing An Engine's Compression Ratio Makes It More Efficient
You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an engine's fuel efficiency?

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