Comment: What you should be comparing to isn't contest cars

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In reply to comment: No, I know nothing is ever (see in situ)

What you should be comparing to isn't contest cars

but rather innovative cars such as Amory Lovins' Freedom Car. That's a purpose built, lightweight carbon fiber car with the weight reductions allowed by having a smaller engine and less 'extras'. I can't find what he's 'projecting' these days but years ago, he was saying he could get 200 mpg from a battery powered car. If we further reduce the weight (we might only have 2 batteries instead of 200), we have something that fits best with this configuration.

Still, I think there's even a market to replace the traditional GM 350 V8/TH350 transmission. In that 15 mpg vehicle, we could easily top 60 mpg with no other changes.