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Old 03-11-2018, 06:35 PM   #5 (permalink)
gone-ot
...beats walking...
 
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Assume 1/10th of 800HP and you need 80HP.

Assume only 1/100th of 800HP and you need 8HP, which is about 'half' of the typical 15HP that todays cars typically need for highway (60mph) speeds.

Consuming 'half' again more power is going the wrong direction when chasing fuel economy.
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