GM joins California EPA campaign to reduce motor oil consumption
GM also took the chance to speak about its Oil Life System, which checks the quality of motor oil for the driver, informing about its "life." The system uses an algorithm based on key engine functions to determine when oil should be changed. This usually extends oil change intervals to 6,000 miles (although it depends on vehicle usage). According to GM, this would save more than eight million gallons of motor oil per year in California alone.
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