[solraph]

In metric, 19.2km of driving burns 4.5 litres of petrol?

Is that right? That seems absurdly high even for a large ute.

[glimshe]

He must take his kids to school on a 18-wheeler.

[dnemmers]

I believe semi-trucks are more like 7-9 mpg, but diesel and gasoline have different energy levels, so it's not an exact comparison.

[zelos]

US gallon is 3.8 litres. Even so, that's pretty inefficient.