Why was a cooling system additive used when car was serviced? Car Doctor

I had the radiator serviced on my car; just preventive maintenance. I noticed on the repair invoice I was charged for a ...
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EPA ends credits for automatic start-stop vehicle ignition, a feature Zeldin says ‘everyone hates’

DETROIT (AP) — The Environmental Protection Agency announced an end Thursday to credits to automakers who install automatic start-stop ignition systems in their vehicles, a device intended to reduce ...