Mercedes boss Toto Wolff believes Formula 1 should be doing more to promote the benefits of hybrid engine technology. His comments come at a time of fresh doubt for the future technical direction of world championship in the wake of Honda's decision to stop supplying power units to Red Bull and AlphaTauri at the end of 2021. The Japanese manufacturer cited its commitment to a carbon neutral future as being behind the decision to pull out, although the cost of developing the complex hybrid technology used by F1 will surely have been an additional factor. It leaves F1 with just three engine suppliers. Mercedes sells customer units to Williams and Racing Point while Ferrari powers Alfa Romeo...
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