Lotus team principal Gerard Lopez admits he fears for F1's future amid ongoing uncertainty over the future of a number of teams.

Following the demise of Marussia and with Caterham in administration, Lotus, Force India and Sauber have been vocal about the current inequitable distribution of funds. While Lopez is not confident that recent discussions with the teams and Bernie Ecclestone will come to any solution, he say he is concerned about more than just the revenue share Lotus gets.

Asked by Crash.net if he fears for F1's future, Lopez replied: "Yes I do, but not just because of this, because of many things.

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"The engine choice was a mistake, the noise, the fans, less fans coming, less promoters being interested... At the end of the day I think it's still one of the biggest sports if not the biggest one in the world and it does have the financial capacity and the energy to sort itself out and build something really, really great out of it again. But we need to be able to do it."

And pushed on the future of Lotus, Lopez said the intent to get a fairer revenue share was not borne of desperation due to the team's financial state.

Asked if Lotus can race next year if nothing changes, Lopez said: "If I say yes then I'm sure they're going to say you don't need the money, but if I say no then people are going to say I'm in trouble, so I'm just not going to answer that question.

"Let me answer it differently; we're not doing this because we're having a bad year, so yes the answer is we're going to race next year and I believe we will be more competitive than this year. But we're doing this because we believe it's the right thing to do."