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August 24th, 2008
EarthTalk: How Often Should I Change My Oil?
EarthTalk is a weekly installment from E/The Environmental Magazine.
Dear EarthTalk: How often do I really need to change my car’s oil? Conventional wisdom has always put it at every 3,000 miles to prevent engine wear, but isn’t changing oil that frequently wasteful and unnecessary? Also, what is the “greenest” and longest-lasting oil I should use? [...]
