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.
JR

1 gallon of gasoline equals 5.8 to 6.5 lbs. depending on the blend.

The truck is legal with a max 79,200 lb. load(13,200 gal. nominal).

79,200 lbs. of pure ethanol would be 12,018 gallons(6.59 lbs./gal.).

More than that, & the truck would be outlawed.

The driver is off by about 1,000 gallons is all. That extra 6600 lbs.
could land him a citation & get his CDL pulled, though, if he's right
about the max load on his truck.

If the gas tanker is rated for a full load of 13,200 gallons though,
that would be a 85,800 lb. load with the heaviest of gas blends. 13,200
gal. of pure ethanol is only ~1200 lbs. more.

It would be unusual for a load of E85 to weigh more than the max
capacity of the truck. Worst case scenario loaded w/ 13,200 gal. of E85
the load would weigh 85,978 lbs. using the heaviest 6.5 lb./gal. for the
gas.

Rob


Short Wave Sportfishing wrote:

I was just down getting coffee for the wife and guests from the local
coffee shop and there was a driver there from a local gas delivery
company. We got to chatting while I was waiting for the coffee and
pastry order and found this out.

Apparently, ethanol is heavier than gasoline. In normal conditions, a
gasoline delivery truck carries 13,200 gallons of gasoline.

With ethanol, they can only deliver 11,000 gallons at a time because
of the extra weight.