Turning cooking oil into fuel for the county

From the New York Times, here is another example of a community going green.  Officials in Westchester County New York have started a program to collect excess cooking oil from restaurants to use an alternative fuel source to power county vehicles.  In total, the county has over 130 vehicles which use cooking oil as either a single fuel source or combined with diesel. Aside from reducing greenhouse gas emissions, using cooking oil to power county vehicles saves the government, restaurant owners and taxpayers money.