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Check the recommended tyre pressure
Correct tyre pressure can reduce rolling resistance compared with under-inflation.
What changes the result
Use the vehicle manufacturer's recommendation and compare the actual starting condition.
Choose a suitable opportunity for this action. Start with what is feasible, and review how it works in your routine.
References in the original project +
US DOE fueleconomy.gov (2023); NHTSA (2022)
These bibliographic references come from the original cards. They provide context; they do not validate every numerical assumption below.
