New Jersey to Buy Hybrids Instead of Alternatives
New Jersey must buy alternative-fuel vehicles for 75 percent of their vehicle purchases by federal mandate. And, to date, they have purchas...

https://iskablogs.blogspot.com/2008/03/new-jersey-to-buy-hybrids-instead-of.html

Too bad they have limited access to any alternative fuels, making it fairly fruitless to make the purchases.
But now, because of a waiver by the U.S. Department of Energy, New Jersey is free to purchase hybrid vehicles instead. The obvious advantage being hybrids only need gasoline to run.
By replacing retired vehicles with hybrids, officials estimate a growth in fuel efficiency and a decrease in emissions by more than 50 percent. Overall, the Treasury says they should expect $7,500 in fuel cost savings over the life of the vehicle.
Source: State to Buy Hybrid Vehicles