my buddy down the street used bio diesel on his toureg for 2 year / from when the truck had 10,000 miles till 20,000 miles then started veggy oil from 20,000 miles till current with 90,000+ miles

hes happy with it too..

the truck is white but that rear bumper and tailgate is black smoke of exhaust..


p.s. he showed me a video the other day of a toureg diesel pull a 757 plane..



google it

I use red runs ok, time will show