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Isn't the idea behind a CVT is it always being in the most efficient ratio based on speed/load etc.?

Yes it is but perhaps my question is not specific enough. What I would like to know is the speed at which my 450h will achieve the most efficient ratio.

Thanks again!

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Isn't the idea behind a CVT is it always being in the most efficient ratio based on speed/load etc.?

Yes it is but perhaps my question is not specific enough. What I would like to know is the speed at which my 450h will achieve the most efficient ratio.

Thanks again!

Modern day gasoline engines have two high efficiency ranges, low, cruise, RPM wherein pumping losses are high but frictional losses are low. WOT with pumping losses zip and frictional losses high.

The HSD control computer is constantly adjusting the CVT to minimize FE based on overall conditions.

So there no good, exacting, answer to your question.

Overall FE optimization, "cruise" optimization,...likely ~55MPH.

55MPH.

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