Federico Gastaldi says Lotus will "leave no stone unturned" going into the 2015 F1 season and that it will be a "genuine fresh page" in the history of the Enstone team.

Lotus has slipped from fourth to eighth in the Constructors' Championship this year, but there is an air of optimism for next season and the switch from Renault to Mercedes power plants is regarded as a definite plus.

"We will leave no stone unturned going in to 2015," Gastaldi, Lotus' deputy team principal, confirmed ahead of this weekend's season finale in Abu Dhabi, where the team will be out to add to its meagre 10 point tally.

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"The pain of 2014 will only inspire us to make sure it does not happen again," he continued. "For the race teams there will of course be some time to refresh, but straight away we will all be back at the factory and pushing the limit for 2015.

"There will be a lot of work packaging the new Mercedes AMG High Performance Powertrain unit as well as the other production, build and then testing and development phases. It will be an exciting time and a genuine fresh page in the history of the team."

Asked about his thoughts on the last eight months, Gastaldi added: "There is no point glossing over the truth. It has been very challenging and tough for everyone in the team.

"We started several steps behind where we should have been and it's remained a battle to get back to where we should be. We saw some glimpses of potential like Barcelona, Monaco and Austin but ultimately this team needs much more.

"Ultimately though, what the season has done is galvanise our ambition and determination to succeed in 2015. We have modified several key aspects in the technical package to make sure we are in the best position to return to the sharp end of the grid. We know we have the people and the desire. Therefore, we go in to the winter with real determination to be a force once again."

Meanwhile, Gastaldi said the team remains very concerned about the current inequitable distribution of funds.

"The discussions we had at Interlagos were an extension of what we talked about in Austin. Everyone knows that the situation is not good for the sport and that the fans, TV companies, and commercial partners need a strong and healthy grid of participants for the future. It is of course a complex subject, but ultimately any business, whether it be sporting or not, needs to have stability within its members," he continued.

"Gerard [Lopez - Lotus team boss] got some very supportive comments from the fans and media for what he said after Austin. I had discussions with many parties at Interlagos and some were positive. But what we need to see is progressive action."