”Umflă cauciurile peste valoarea presiunii recomandate şi maşina va consuma mai puţin”
Adevărat, dar extrem de puţin, iar efectul acestei soluţii este compromiterea, mai mult sau mai puţin, a siguranţei în trafic, aşa încât este recomandabil să nu umflaţi cauciucurile peste presiunea recomandată de constructor.
Este adevărat că, dacă presiunea în pneu este mai redusă decât valoarea nominală, consumul va creşte (în general, pierderea cu un bar a presiunii din cauciuc duce la creşterea consumului cu circa 5%). Dar asta nu înseamnă că o presiune mai mare decât valoarea nominală va duce la scăderea drastică a consumului. În urma mai multor teste specializate, s-a ajuns la concluzia că dacă se creşte presiunea în pneu cu 1 bar peste valoarea nominală, scăderea consumului de combustibil este de circa 0,5%.
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