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It is also advisable to choose engine oil wisely. For example, mineral-based oil is the most uneconomical, but synthetics or semi-synthetics, depending on their viscosity, can still play a role in reducing fuel consumption.
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Elements such as air conditioning, heater, stereo and running running lights may also increase fuel consumption. In the event of an emergency to reduce fuel consumption, it is recommended to switch off all electrical appliances and leave only the most necessary ones switched on.