| It is important to use alternative fuel sources in order | | | | that is primarily related to plants. The combination of |
| to decrease greenhouse emissions. There are several | | | | hydrogen and natural gas can be used as a fuel for |
| options other than old fossil fuels such as oil and coal. | | | | vehicles. |
| These alternative fuel sources generate less harmful | | | | 5) Propane: Propane is a type of flammable gas |
| emissions and contribute less to global warming. Also, | | | | found in petroleum and natural gas that is |
| they reduce the dependence of countries on | | | | domestically used for cooking purposes. It is also |
| traditional fossil fuels such as coal and oil. | | | | used as an alternative fuel source due to its less |
| Top alternatives fuel sources for greener | | | | emitting characteristics. |
| environment are listed below: | | | | 6) Biodiesel: Biodiesel is another fuel source that is |
| 1) Ethanol: It is also called ethyl alcohol and more | | | | abundantly found in nature. It is human environment |
| often termed as an alternative fuel source. Ethanol is | | | | friendly fuel that produces less air pollution. Using |
| mixed with gasoline to obtain fuel with high rates of | | | | biodiesel in diesel engines shows significant minimal |
| octane and less harmful and more controlled | | | | burning of carbons and hydrocarbons. |
| emissions. | | | | 7) Methanol: Methanol or wood alcohol is obtained |
| 2) Natural Gas: Natural Gas is produced at domestic | | | | from biomass. It is used as fuel in vehicles with the |
| level, emitting fewer radiations. | | | | combination of 15% gasoline and 85% methanol. |
| 3) Electric Fuel: Electricity can be used in electric | | | | Methanol can lessen ozone pollution. |
| batteries and cell-controlled vehicles. Most of the | | | | 8) P-Series Fuel: P-Series fuels are combination of |
| batteries use nickel iron, nickel metal hydride, sodium | | | | ethanol, butane, pentanes and methyltetrahydrofuran |
| nickel chloride, zinc bromine and aluminum air. The | | | | (MTHF). These fuels are all environment friendly. |
| vehicles running on batteries and cells do not produce | | | | 9) Solar energy: Sunlight is also expected to be an |
| air pollution. | | | | alternative fuel source for powering vehicles. Solar |
| 4) Hydrogen: Hydrogen is considered to be an | | | | energy is sustainable; it can be resorted and is |
| alternative fuel since it is never depleted due to its | | | | pollution free. |
| abundance in nature. It is also obtained from biomass | | | | |