This has been debated ad nauseum. Click the search button at the top of the page and search for "green coolant." Settle in for several hours of entertaining and informative reading.

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Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
Chain Elongation References