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F1: FIA confirms change to compression ratio regulations
The FIA has confirmed that all five engine manufacturers have agreed to a change to the engine regulations relating to compression ratios effective from 1 June. As previously reported, under the regulations overhaul the compression ratio was reduced to 16:1 this year, however it was claimed that Mercedes - and initially Red Bull - had exploited a loophole in the regulations which allowed the German manufacturer's power units to reach 18:1. This was because the measurement was taken in static conditions, however once running at temperature the Mercedes was able to reach 18:1, thereby giving it a performance advantage and also aiding fuel consumption. At the recent meeting of the F1...
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