Fuel	Cost	Unit	Btu/Unit	Efficiency	$/MMBH
	Electric		KWH	3,413
	Propane		Gal	91,000
	Fuel Oil		Gal	128,000
	Wood		Cord
	Species	Btu/Cord		Notes:
	black locust	26,500,000		1. Change values in yellow cells
	hickory	25,400,000		2. Costs are current for Willow, Alaska as of June 2008
	hophornbeam	24,700,000		3. Wood heat values are for dry, well-seasoned wood.
	beech	21,800,000		(Default is for White Birch, most common in this area)
	hard maple	21,800,000		4. MMBH = One Million Btu's
	red oak	21,700,000
	yellow birch	21,300,000
	yellow pine	20,500,000
	white ash	20,000,000
	white oak	19,200,000
	soft maple	19,100,000
	black cherry	18,500,000
	white birch	18,200,000
	sweetgum	18,100,000
	elm	17,700,000
	yellow poplar	15,900,000
	hemlock	15,000,000
	red spruce	15,000,000
	fir	13,500,000
	white pine	13,300,000
	basswood	12,600,000