DEF weighs approximately 9 lbs per gallon. Compared to diesel fuel at approx 7.05 lbs and gasoline at an average of 6.19 lbs, DEF is a relatively heavy product.ow much DEF can I haul? With DEF weighing in at around 9lbs per gallon, we estimate that with a tandem axle truck tank you will be able to haul just over 3000 gallons in most states. For trailers the capacity will be around 5,000 gallons.
Key facts. 1  Depression is a common mental disorder. 2  Depression is the leading cause of disability worldwide, and is a major contributor to the overall global burden of disease. 3  More women are affected by depression than men.  At its worst, depression can lead to 1  suicide. There are effective treatments for depression.
Most common developmental disabilities: 1  Fragile X syndrome (FXS) is thought to cause autism and intellectual disability, usually among boys. 2  Down syndrome is a condition in which people are born with an extra copy of chromosome 21.3  Normally, a person is born with two copies of chromosome 21. Pervasive developmental disorders (PDD) are a group of developmental disabilities that can cause significant social, communication and behavioral challenges. 2  Fetal alcohol spectrum disorders (FASD) are a group of conditions that can occur in a person whose mother drank alcohol during pregnancy.