F1 fuel development levelling off - Honda

Honda motorsport boss Yasuhisa Arai says progress with fuel development is "levelling off a bit" after early gains with the current power units.

The introduction of the 1.6-litre V6 turbo power units at the start of 2014 also included limitations on fuel flow rates and the total amount of fuel available in a race. Developments in fuel technology have allowed teams to find more power as a result, with Shell claiming to have delivered 25% of Ferrari's power unit improvement in 2015.

Asked if fuel development is still an area of untapped potential, Arai told F1i: “I think so.

"At the start of the fuel development it was a steep improvement curve, but now it’s levelling off a bit. I assume that every other team may have similar issue. Fuel is now very sophisticated, however I’m sure that there is still room for improvement in the future. So we will to continue to make the effort because it is important to keep pushing fuel performance to improve horsepower”

And Arai says Honda maintains a close partnership with fuel supplier Mobil1 which leads to a number of solutions being tested throughout the year.

“[We work] very closely. We discuss with Mobil1 directly. Of course it is one of the big partners but from the R&D side - our R&D and Mobil1’s R&D - we have very big discussions. They made many kinds of fuel which we tested many times to realise what is the best way and the best solution. Day-by-day, every week, every month, we keep doing that.”

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Andrew Lewin

Andrew first became a fan of Formula 1 during the time when Michael Schumacher and Damon Hill were stepping into the limelight after the era of Alain Prost, Nigel Mansell and Aryton Senna. He's been addicted ever since, and has been writing about the sport now for nearly a quarter of a century for a number of online news sites. He's also written professionally about GP2 (now Formula 2), GP3, IndyCar, World Rally Championship, MotoGP and NASCAR. In his other professional life, Andrew is a freelance writer, social media consultant, web developer/programmer, and digital specialist in the fields of accessibility, usability, IA, online communities and public sector procurement. He worked for many years in magazine production at Bauer Media, and for over a decade he was part of the digital media team at the UK government's communications department. Born and raised in Essex, Andrew currently lives and works in south-west London.

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