There are many Natural Gas Incentives on both Federal and State levels.

National Fuel’s NGV Pilot Program:
Contact Person: Cliff Mason
(716)857-7025
mason@natfuel.com
http://www.natfuel.com/forbusiness/ny/natural_gas_vehicles.aspx

The Federal list can be found at:
http://www.afdc.energy.gov/fuels/laws/NG/US

The NY State Incentives for Natural Gas can be found at:
http://www.afdc.energy.gov/fuels/laws/NG/NY

 

Source: AFDC Laws and Incentives Data