ive heard good things said of shell too, but tescos is practically on my doorstep,nearest petrol station after that is 2 mile away, hence my choice LOL

huweth, as above really. whats needed to run your car on biodiesel? are there any 'maintenance' impacts, eg specific maintenance as a direct result of the biodiesel? and what cons? is this the same kind of scenario as the LPG conversion?