bio-diesel
 

was wondeing if anyone is using it in their big rigs & if they were is there any difference in mpgs,power & does it cause any damange to injectors, filters or anything else

I don't have a Rig but Willie Nelson has serveral truck stops selling it.It supports American farmers.
I've used it got maybe a mile more per gallon,however the Cetane it what I liked.It was B20.

doing search for my dad seeing how much of a differnce itd be to use bio in his rigs