Fuel
Compressed Natural Gas (CNG)
(www.eere.energy.gov/cleancities/afdc/altfuel/natural_gas.html)
Electricity
(www.eere.energy.gov/cleancities/afdc/altfuel/electricity.html)
Ethanol (E-85)
(www.eere.energy.gov/cleancities/afdc/altfuel/ethanol.html)
Hydrogen
(www.eere.energy.gov/cleancities/afdc/altfuel/hydrogen.html)
Liquefied Petroleum (LPG)
(www.eere.energy.gov/cleancities/afdc/altfuel/propane.html)
Methanol
(www.eere.energy.gov/cleancities/afdc/altfuel/methanol.html)
Oil Price Information Service
(www.opisnet.com)
P-Series
(www.eere.energy.gov/cleancities/afdc/altfuel/p-series.html)
PMAA: Petroleum Marketers Association of America
(www.pmaa.org)