Changes

'''Heating oil''' is used to [[fuel]] [[furnace]]s within buildings. Typically, delivery is by [[tanker truck]] to individual homes and commercial spaces, and the oil is stored in [[oil tanks]] in the [[basement]] or outside, next to the building.  Leaks in older facilities are an environmental concern because even a small leak can cause significant groundwater pollution, rendering the [[water]] from wells and springs unusable because chemicals from the oil are harmful to both humans and animals.  Heating oil is usually [[dye|dyed]] to distinguish it from taxed vehicle fuel (as using untaxed fuels with dye, or mixtures of such, is illegal and, since such fuels are not intended for internal combustion engines, can damage the environment).

[[Image:Heating_oil_tanker_truck.jpg|right|thumb|200px|A tanker truck refilling a residential heating oil customer's home]] '''Heating oil''' is used to [[fuel]] [[furnace]]s within buildings. Typically, delivery is by [[tanker truck]] to individual homes and commercial spaces, and the oil is stored in [[oil tanks]] in the [[basement]] or outside, next to the building.  Leaks in older facilities are an environmental concern because even a small leak can cause significant groundwater pollution, rendering the [[water]] from wells and springs unusable because chemicals from the oil are harmful to both humans and animals.  Heating oil is usually [[dye|dyed]] to distinguish it from taxed vehicle fuel (as using untaxed fuels with dye, or mixtures of such, is illegal and, since such fuels are not intended for internal combustion engines, can damage the environment).

[[Image:Heating_oil_tanker_truck.jpg|right|thumb|200px|A tanker truck refilling a residential heating oil customer's home]] Heating oil, also known as ''No. 2 fuel oil'', accounts for about 25% of the yield of a barrel of [[crude oil]], the second-largest "cut" after gasoline. <ref>{{cite web|url=http://www.nymex.com/ho_pre_agree.aspx| title=NYMEX.com: Heating Oil|date=[[2006]]|accessdate=2006-12-21}}</ref>

Heating oil, also known as ''No. 2 fuel oil'', accounts for about 25% of the yield of a barrel of [[crude oil]], the second-largest "cut" after gasoline. <ref>{{cite web|url=http://www.nymex.com/ho_pre_agree.aspx| title=NYMEX.com: Heating Oil|date=[[2006]]|accessdate=2006-12-21}}</ref>

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