<p>Four-times Formula One world champion Sebastian Vettel celebrated his 35th birthday on Sunday by driving Nigel Mansell's 1992 title-winning Williams FW14B around Silverstone circuit.</p>.<p>The German, who now owns the V10-engined car, waved at the cheering fans as he lapped, with Mansell watching from the pit lane 30 years after his home win at the British Grand Prix track.</p>.<p>Twice British GP winner Vettel told reporters earlier in the week that the drive had been his idea and the car would run entirely on sustainable fuel.</p>.<p>Formula One is due to embrace 100 per cent sustainable fuels in 2026.</p>.<p>"I'm using carbon neutral fuels, to demonstrate that we can still hang on to our history and heritage and culture in motorsport, but do it in a more responsible way," Vettel said on Thursday.</p>.<p>"It’s no different to how the car was 30 years ago, it will sound exactly the same, it will drive exactly the same way.</p>.<p>"I will go as fast as I feel comfortable with, bearing in mind it's my car."</p>.<p>Mansell raced with the red number five on his car in 1992, the same number Vettel has used since karting and still has on his Aston Martin F1 car.</p>.<p>"That means a bit more than just the car from 30 years ago," said Vettel, who was born in 1987.</p>.<p>He said Mansell's car and the early 90s provided some of his first memories of Formula One and he had wanted to mark the 30th anniversary.</p>.<p>Sunday's race may well be less enjoyable for the German, with Vettel qualifying only 18th.</p>
<p>Four-times Formula One world champion Sebastian Vettel celebrated his 35th birthday on Sunday by driving Nigel Mansell's 1992 title-winning Williams FW14B around Silverstone circuit.</p>.<p>The German, who now owns the V10-engined car, waved at the cheering fans as he lapped, with Mansell watching from the pit lane 30 years after his home win at the British Grand Prix track.</p>.<p>Twice British GP winner Vettel told reporters earlier in the week that the drive had been his idea and the car would run entirely on sustainable fuel.</p>.<p>Formula One is due to embrace 100 per cent sustainable fuels in 2026.</p>.<p>"I'm using carbon neutral fuels, to demonstrate that we can still hang on to our history and heritage and culture in motorsport, but do it in a more responsible way," Vettel said on Thursday.</p>.<p>"It’s no different to how the car was 30 years ago, it will sound exactly the same, it will drive exactly the same way.</p>.<p>"I will go as fast as I feel comfortable with, bearing in mind it's my car."</p>.<p>Mansell raced with the red number five on his car in 1992, the same number Vettel has used since karting and still has on his Aston Martin F1 car.</p>.<p>"That means a bit more than just the car from 30 years ago," said Vettel, who was born in 1987.</p>.<p>He said Mansell's car and the early 90s provided some of his first memories of Formula One and he had wanted to mark the 30th anniversary.</p>.<p>Sunday's race may well be less enjoyable for the German, with Vettel qualifying only 18th.</p>