class="left relative"> Share Tweet Share Share Email F1 power-unit manufacturers have thrown a spanner in the works of F1 owner Liberty Media's engine rules for 2021 F1. Previously, it seemed clear that the sport would drop the complex MGU-H element of the hybrid systems in order to bring down costs and make the engines simpler and louder. In turn, this would entice carmakers like Porsche to enter. But Blick newspaper reports that at a meeting to discuss those rules, Mercedes, Ferrari and Renault said they now definitely want to keep MGU-H. 'This would stop the only serious potential candidate, Porsche, from coming in the door,' wrote veteran correspondent Roger Benoit....
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