[VeniVidiVici]

Indeed, recent tests showed heavy-duty trucks carrying 1,000 pounds, getting better than 26 miles per gallon in fuel-economy-challenges staged by Ford, with some drivers getting 34 miles per gallon, Ford officials said.

I think the author is confused. First he keeps referring to the F-150, which currently has no diesel available. Ford was developing a small diesel (4.4L?) for the F-150 but last I heard they weren't going to go with it just yet. So that leaves us with the F-250, F-350, etc.

I have a hard time believing that the new 6.7L diesel in a 6,000lb vehicle carrying 1,000lb of cargo can get 26mpg let alone 34mpg. If they do, I'll be first in line :-)

I have a 2008 F-250 with the 6.4L. Haven't had any problems with it but the mileage is atrocious, even for a big truck.

[Spktyr]

The F-150 diesel is on hold pending a more favorable fuel price climate (gas will have to go up in price.) The new F-150 was developed with that engine in mind, so it would be a fast transition if needed.

The 2010 F250 will actually get 26mpg highway.