Formula One's technical chiefs are united on the subject of overtaking - it is nearly impossible.
The likes of Formula One supremo Bernie Ecclestone and world motorsport boss Max Mosley have repeatedly called for measures to promote more overtaking and spice up the show.
But any changes have so far failed to allow drivers to overtake as much as fans hoped, and some of the sport's leading technical directors admit the problem is not an easy one to solve.
Factors such as the design of modern Formula One cars and circuits play a crucial - and often unseen - role in hampering overtaking efforts.
Renault technical director Pat Symonds warns there is a danger Formula One could have too much of a good thing if new rules are not properly thought out.
He said: "I think it is true that overtaking is important - but is overtaking everything?
"If we get to the point of racing like NASCAR, where there are lead changes all the time, is that necessarily what we want?
"On the other hand we are starting to see a big increase in television spectators for the World Rally Championship and there, there is no overtaking by definition."
Toyota's Mike Gascoyne feels the problem is so delicate that proposed rule changes could do more harm than good.
"It is a very difficult thing because if you have a qualifying format that puts the quickest car at the front and the slowest at the back then they are not going to overtake each other," he said.
"You have to be careful of with any changes. If we go to hard tyres and we don't have tyre changes there may be even less overtaking. It is a very, very difficult thing to identify and to work out."
Geoff Willis, of BAR, feels fundamental changes to circuits is the only answer.
Six of the 18 tracks on the Formula One calendar have either been built in the last 10 years or undergone fundamental changes, but Willis would like to see further changes.
He said: "The easiest way, which is actually the most expensive way, is to look at the circuit lay-out. A lot of the circuit lay-outs do not lend themselves to overtaking at all."
