The motortrade themselves are driving a huge campaign currently relating to this as it will have a devastating effect on the secondhand market effectively wiping huge sums of money off the price of cars that are sat on the forecourt.
The governments current view is that it is a bitter pill to swallow but in a few years the majority of the car will be affected and so it be a forgotten issue, prices will become boyant again and normality will return, but as it stande it could bring the motor trade to a grinding halt, this in turn could affect new car registrations even more then the current credit crunch and so potentially bring on a bigger recession due to the slowdown of manufacturing, it all works hand in hand.
However..............i do believe it will go ahead

, and i do not believe that the next government will change it

they will blame the instigators and claim that the solution would be too costly.
Personally i believe that a flat rate charge for road useage is a better idea, currently i do 30K a year and would be happy to pay for the time that i am on the road, so long as it was both fair and good value and also the respective fuel duty was then removed.......i know i am asking wayyyyyyyyyy too much