On Sun, 20 May 2007 09:32:58 -0700, JR North
wrote:

This doesn't make any sense. If the truck can only carry LESS ethanol by
WEIGHT than gasoline, it's because the ethanol is LESS dense, and
therefore occupies more volume per unit. With a full load of ethanol,
the truck is 'full', but only has the equivalent 'weight' of 11,000
gallons of gasoline.

The weight might depend on the aggregate components.
Just a guess.

--Vic