per million Btu of fuel consumed. Low sul- fur (LS) heating oil reduces PM emissions by oil burners by a factor of three.ULS oil reduces oil burner PM emissions by a factor of 40. This is approaching the level of zero PM emis- sions and is negligible when compared to most other combustion sources,Batey said. Lower PM emissions have important benefits for fuel oil marketers and home- owners, as less frequent boiler and furnace cleanings are needed as the fuel oil sulfur level is reduced. It is important to note that conventional oil burner PM emissions pro- duce only about six ounces of soot a year when properly adjusted,Batey said.PM lev- els for ULS heating oil are 40 times lower or about one-seventh of an ounce per year, Batey said. Wood pellets produce less PM than most
other wood burning equipment, but still about 15 times more than No. 2 heating oil and 580 times more than oil burners using ULS fuel, according to the work done by Brookhaven.
“These are very important findings because they prove that residential oil burn- ers produce much lower levels of PM than the lowest emitting wood burning equipment, and ULS heating oil produces PM emissions that are comparable to natural gas,”Batey wrote in his report to OMA.“This places oil burners using ULS fuel into the lowest emis- sion category of all combustion equipment.”
ULTRA-LOW SULFUR Batey further noted that natural gas util-
ities are relying on energy prices and claiming environmental benefits to convert homeowners to gas. The results from Brookhaven, a national laboratory, help to disprove the environmental claims by gas companies and question the validity of the recently proposed EPA PM and CO regula- tion impacting oil burners. l FON
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