Audi Formula 1 chief Mattia Binotto stresses the importance of maintaining high efficiency in the series' future engine formula.
The FIA and F1 are outlining plans for the 2031 power unit regulations, with a consensus among manufacturers to adopt cheaper and simpler V8 engines.
Binotto's stance comes amid discussions about potentially ditching turbos, as the sport looks to shape its engine rules for the next generation.
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