The decision to reduce the number of engines a driver can use over the course of the season from four to three is continuing to make headlines throughout the Formula One community.
Despite the back end of the current campaign being dogged by various teams picking up penalties for using more than four power units, the F1 decision-makers remain defiant at limiting them even further in 2018.
Many of the constructors have spoken out against the move and according to Autosport, Red Bull boss Christian Horner even raised the subject at a Strategy Group meeting before last weekend's Brazil GP.
If Horner was able to convince all of the other teams to share his opinion, F1 bosses would be forced to listen.
However, and perhaps surprisingly, it has been reported by the same source that not everyone is actually opposed to the engine limit being reduced.
Motorsport claim that Ferrari do not desire the decision to be reversed because they have already made major modifications to their engines for next year with the expectation they will be able to last much longer than this season's version.
It represents a huge blow for Red Bull and Horner, who has been heavily critical of the alteration throughout the deliberation process and will now have to face the daunting prospect of trying to get through 2018 using only three engines.
Of course, as we have already seen this season, most constructors have been willing to accept grid penalties throughout the year for improved performance and that might very well prove to be the case again.
Back in September at the Italian Grand Prix, Horner revealed his hope that the number of penalties handed out in the latter stages of this campaign would be enough to persuade the other teams to join forces.
"I tried to get it changed at an earlier meeting in the year, but there was no support for it,” Horner said.
“I would hope that there would now be a different outcome, with teams staring down the barrel of further penalties between now and the end of the year."
Unfortunately for him, he has been proven wrong.
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