Renault has denied suggestions it was involved in an illegal Formula 1 indoor engine test with Toro Rosso earlier this year... An anonymous letter sent to the FIA, Ferrari and Mercedes surfaced this week suggesting Renault and Toro Rosso had broken F1's testing regulations in conducting a dyno test. The letter claimed Renault had run a full-size car on a rolling road with windtunnel capabilities at the Austrian AVL facility. "I believe these extra test sessions gave Renault Sport and this particular team an unfair advantage over the other competitors," the letter read. "It is also my understanding that such practice is illegal and against the various articles of the 2014...
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