If you put diesel in a HMMWV that has been run on JP8 (or vice versa) 
it will quickly clog the filters with some type of goop that is created 
by mixing the fuels and the vehicle will not run until it is all 
cleaned out of the system.  They CAN use diesel, but they DON'T use 
diesel.  During Desert Storm, in 1991, we ran the vast majority of them 
on Jet A, which is so devoid of lubricants that we had to mix oil with 
it to preserve the injection pumps.

Michael Snow

On Apr 28, 2005, at 1528, jimt wrote:

> Actually they can use diesel.  But calling JP8 diesel would probably 
> be a
> stretch with the antifoam, flameresist, all temperature additives, 
> water
> absorber, and other stuff that is in JP8.  Doesn�t even smell like 
> diesel
> any more.
> jimt
>
> On 4/28/05 16:12, "Michael Snow" <mwsnow@GMAIL.COM> wrote:
>
>> HMMWVs do not run on diesel fuel.  They use the "single tactical fuel"
>> which is JP8.  It has been this way for about 4 years.  You could 
>> argue
>> that they are derivatives of the same fuel base, but they are 
>> certainly
>> not compatible.
>>
>> Michael Snow
>>
>> On Apr 28, 2005, at 1346, Jim Felder wrote:
>>
>>>>  The largest problem with diesel and
>>>> cost at the moment is that the war machine runs on diesel not
>>>> gasoline.
>>>
>>> Oh, man, if we can't even keep our hummers in Iraq in diesel fuel, we
>>> REALLY made a bad energy investment over there!
>>>
>>> Jim
>>>
>>
>>
>