No matter what else is happening on track or in the paddock, the row over engine noise - or lack of it - refuses to go away.Following today's practice sessions talks were due to begin surrounding a number of current issues, engine noise being one of them. However, talking at the official FIA press conference two of the leading engine gurus were unsure exactly what can be done.Asked if a change to the limit on the number of revs used might help, Mercedes Andy Cowell admitted. 'I don't see the need for the revs to change to change the noise of the power unit.'The principal reason why the engine is quieter is the turbine wheel and the muffling effect that you get from that,' he continued....
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