What does '13 oil' mean?

[AsherFitz]

It means consuming 13 units of oil per 100 kilometers. This is a colloquial expression for fuel consumption, referring to the amount of fuel consumed per 100 kilometers, measured in liters per 100 kilometers. Here are specific methods to reduce fuel consumption: 1. Lightly press the accelerator: The initial low-speed acceleration of a car is the peak period of fuel consumption, so gently pressing the accelerator during startup and preventing excessively high RPM can effectively reduce fuel consumption. 2. Avoid high RPM: Try to avoid unnecessary high RPM as fluctuating engine speeds can significantly increase fuel consumption. 3. Regular maintenance: Change the engine oil and remove carbon deposits. 4. Avoid sudden braking: Anticipating road conditions in advance not only enhances driving safety but also saves fuel, such as gradually slowing down before traffic lights and utilizing inertia to glide.