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Politics : The Environmentalist Thread
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To: FJB who wrote (24762)5/30/2009 3:41:20 PM
From: miraje  Read Replies (1) of 36917
 
Why was lead put in gasoline?

It was the cheapest and easiest way to increase the octane rating. Without it, more refining is necessary to achieve the same octane level. Lead also served to protect the softer valve seats in engines made before the early 70's..
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