As some may know, I service a ton of gas stations. Do alot of nights so that I can see weird canopy wrap lighting better. Talk to alot of fuel drivers. MOST of my sites are gas only. Last week, ran into a driver dropping diesel at an Exxon. It was ultra low sulpher. He said that is all that is available at whatever 'rack' he picks up fuel from in Columbus Ohio.

So, alot of you (us) are already running ultra low sulpher and don't know it. I guess the stickers are up until everything is all switched and then new ultra low stickers are coming.

Haven't bothered to do any kind of mileage checks. Van was 18mpg and bucket was 10 mpg with trailer last time I checked. I have to buy diesel everyday so what is the difference what mpg I get?

Some of you may have noticed a difference?

I wonder how a 7.3 PSD or a 6.5 TD runs on this ULSD?

I bet a 6.5 and a 7.3 and any other diesel that wasnt designed to run on ulsd will run fine on it....till the lack of lubricity takes out the injection pump and injectors. Im sure FppF and howes will be sold off the shelves like crazy.....I already bought a couple boxes of it
Bill

Here is info from the Chevron web site. To see the full information do a search Chevron Oil. I thinkn this will clear up a lot of miss information.

How will diesel fuel properties, other than sulfur, change with S15 (ULSD)?
There are several diesel fuel properties other than sulfur that will change as a result of moving to S15 (ULSD).

Lubricity:
Lubricity is a measure of the fuel's ability to lubricate and protect the various parts of the engine's fuel injection system from wear.The processing required to reduce sulfur to 15 ppm also removes naturally-occurring lubricity agents in diesel fuel. To manage this change the American Society for Testing and Materials (ASTM) adopted the lubricity specification defined in ASTM D975 for all diesel fuels and this standard went into effect January 1, 2005.
The D975 specification is based on the High Frequency Reciprocating Rig (HFRR) test (D 6079) and requires a wear scar no larger than 520 microns.

Energy Content:
In general, the processing required to reduce sulfur to 15 ppm also reduces the aromatics content and density of diesel fuel, resulting in a reduction in energy content (BTU/gal).
The expected reduction in energy content is on the order of 1% and may affect fuel mileage.

Cetane Number:
In general, the processing required to reduce sulfur to 15ppm also reduces the aromatics content resulting in an increase to the cetane number.