rickman wrote:

> How do you measure fuel consumption in square millimeters?  Well, I
> guess I get that.  It is volume divided by distance.  So the fuel your
> auto uses is a square strip of fuel 0.245 mm on a side as long as your
> trip?  Funny to picture in your mind

Remember how some steam trains picked up water from troughs between the
tracks?  Imagine a trough of diesel or petrol alongside the road instead
of having a fuel tank, your fuel consumption would determine the area of
a scoop your vehicle needed to keep running ...

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