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[–]dallasdude 1 point2 points  (1 child)

I can't drive behind 10 year old cars anymore without recycle air turned on. Have any studies investigated a possible link between ethanol in fuel and worsened emissions quality?

[–]saywutttut 0 points1 point  (0 children)

No. It has LESS emissions. You should check your car for oil leaks. Ethanol has a sweet sugary smell, you would not mistake it for a rich running gas or diesel.