Listen to this article Questions about whether or not the Mercedes power unit has fallen back have, for example, been clouded by its underperforming chassis and the drag levels of its high-downforce wing. At the opposite end of the debate, at Alpine it has been hard to split how much of its progress have come from aero and how much from its engine. What isn’t in doubt is that the all-new 2022 Renault E-tech power unit is a good chunk better than its predecessor, with the turbo hybrid certainly looking like it is closely matched to the other manufacturers. But for Alpine executive director Bruno Famin, who is in charge of its engine programme, any intrigue over the exact horsepower figures are something he has no interest in. That’s not because he doesn’t worry about the products he is delivering though. Instead, it’s because for him the end game is not having the most powerful engine in F1: it’s about the power unit becoming a part of t …