The quantity of power unit components a driver may use during the season was reduced from four complete power units during the entire season in 2017 to a new system where each of the power unit components is considered separately.
Jumlah komponen power unit yang dapat digunakan pengemudi selama musim berkurang dari empat Power Unit yang lengkap selama seluruh musim 2017 ke sistem baru di mana masing-masing komponen Power Unit dipertimbangkan secara terpisah.