HERES A LINK TO SHOW JUST HOW PRESSURED OUR HOBBY/INTEREST/HEATING CHOICE IS:
http://www.nytimes.com/2016/12/25/u...ying-warm-a-thick-coat-of-dirty-air.html?_r=0
http://www.nytimes.com/2016/12/25/u...ying-warm-a-thick-coat-of-dirty-air.html?_r=0