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roflwaffle · 03-14-2008, 12:05 PM

Ultrafines have been implicated in heart disease, and not really looked at AFAIK, probably because we don't have any method of dealing with them in any engine. IIRC the push to eliminate larger particles has made these more common.

03-14-2008, 12:05 PM	#25 (permalink)
roflwaffle Master EcoModder Join Date: Dec 2007 Location: Southern California Posts: 1,490 Camryaro - '92 Toyota Camry LE V6 90 day: 31.12 mpg (US) Red - '00 Honda Insight Prius - '05 Toyota Prius 3 - '18 Tesla Model 3 90 day: 152.47 mpg (US) Thanks: 349 Thanked 122 Times in 80 Posts	Ultrafines have been implicated in heart disease, and not really looked at AFAIK, probably because we don't have any method of dealing with them in any engine. IIRC the push to eliminate larger particles has made these more common.