It would seem the FIA has backed down on its push for cheaper engines. Bernies subtle politics has met a momentary obstacle some may say. With such enthusiastic and promising response from the tender for supply of the 2.2 litre engines, one would doubt that this matter is properly over. All would rest with how robust the proposal to be put forward by the manufacturer teams is. It would be particularly interesting to see what propose and if it would be acceptable to mid size to small teams. I think it would come down to whether the manufacturer teams can supply cheap engines that is no slower than 1 sec than the more expensive hybrid engines.
With 2 seasons of the hybrid season gone, it is possible that the manufacturer teams would be able to find a combination of the past evolution of engine parts that could be strung together to produce a suitably cheap engine.