Annual percent changes in Producer Price Indexes for selected energy goods, 2006-2007 Percent change 2006 2007 Finished energy goods -2.0 17.8 Residential natural gas -11.6 -0.9 Gasoline 1.8 36.1 Home heating oil 5.2 30.9 Liquefied petroleum gas -15.1 59.1 Residential electric power 2.3 4.5