I tried looking up pollution from heating. Found one source that said PM2.5 from oil fired furnaces in New York creates 50% more PM2.5 than auto's, trucks, and

I tried looking up pollution from heating. Found one source that said PM2.5 from oil fired furnaces in New York creates 50% more PM2.5 than auto's, trucks, and buses. Also noted that even Nat Gas furnaces produce NOx.