This season sees a strict restriction on the practice of oil burning, whereby engine oils are burned as fuel to boost performance. The practice, which was first used in 2017, saw teams burning as much as 1.2 litres per one hundred kilometres, but this year the figure has been revised down to a maximum of 0.6 litres per one hundred kilometres. Furthermore, teams are restricted to using a single specification of oil, which must be declared before the race. These oils are subject to stricter definitions of what is considered 'oil' in order to prevent teams from using exotic blends designed to boost performance. Teams are also required to inform the stewards of the mass of oil in each oil tank...
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