It's worse fuel economy though, since diesel has much higher energy content (and... | Hacker News

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		zurn on May 31, 2012 \| parent \| context \| favorite \| on: McLaren F1 Developer Designs New Auto Driving 100 ... It's worse fuel economy though, since diesel has much higher energy content (and co2 emissions) per volume than petrol. You shouldn't compare petrol MPG vs diesel MPG.

excuse-me on May 31, 2012 [–]

You pay per volume not per joule so you should compare petrol MP$ to Diesel MP$

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