Originally Posted by kosman

adblu is a urea and water mix that is currently being put in lorrys,buses and vans under the pretence that it lowers your roadtax,but if you add the cost of buying adblu up all year its cheaper afaik to just carry on paying tax,bmw are trialling adblu at the min but its burning the tips of the injectors so they trying to sort that,you usually need a full tank of adblu to 3tanks of fuel in a lorry and at the min its 30p ish a litre but when its mainstream on cars you can guarntee that fucker will rocket up.