Many levels of governments offer different incentives for purchasing natural gas powered vehicles and appliances like Phill.  In California existing incentives that you MAY be eligible for include: Reduced gas rates now available for Phill users from SoCal Gas Phill is users whose gas is supplied by SoCal can now apply for a preferential NGV rate, which applies to all the gas used at their residence!  Please download SoCal's Natural Gas Service for Home Refueing of Motor Vehicles form: http://www.socalgas.com/regulatory/tariffs/tm2/pdf/G-NGVR.pdf Authorization to Change Residential Rate Home Refueling form Click here to download PDF(24kb PDF) Please contact SoCal directly for all inquirires. MSRC / AQMD incentives for residents of the SCAQMD area For residents of the South Coast Air Quality Management District (SCAQMD) a $1000 incentive is available from both the Mobile Source Air Pollution Reduction Review Committee (MSRC) and the Air Quality Management District (AQMD) for a total deduction of $2000 off Phill's LEASE price from FuelMaker. http://www.aqmd.gov/news1/2005/phillhomerefuelingunitpr.html Federal tax credit towards the installation of alternative fueling stations A tax credit of up to 30% or $1000 to be applied to taxes imposed for the installation year (valid from December 31st, 2004) Please call IRS for details or see US Q & A Vehicle Credits. 06-06-06.(PDF) Federal tax deductions on the purchase of new Natural Gas Vehicles  http://www.fueleconomy.gov/feg/tax_afv.shtml#cleanfuel High Occupancy Vehicle lane access for low emission Natural Gas Vehicles  http://www.arb.ca.gov/msprog/carpool/carpool.htm California Efficient Vehicle Program  http://www.eere.energy.gov/cleancities/vbg/progs/laws2.cgi Lower tax rates on Natural Gas as compared to Gasoline (California rates, 2004) http://www.energy.ca.gov/gasoline/fuel_tax_rates.html U.S. Q&A Regarding the Federal NGV Tax Credits (courtesy of NGV America) (USQandA.Vehicle Credits. 06-06-06.pdf) You may get more information regarding your eligibility for any discounts when purchasing a new Natural Gas Vehicle or retrofitting an old vehicle at:  http://www.eere.energy.gov/cleancities/vbg/progs/laws2.cgi