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  2. Biofuel - Wikipedia

    en.wikipedia.org/wiki/Biofuel

    First-generation biofuels (also denoted as "conventional biofuels") are made from food crops grown on arable land. [20] [21]: 447 The crop's sugar, starch, or oil content is converted into biodiesel or ethanol, using transesterification, or yeast fermentation. [22]

  3. Biogasoline - Wikipedia

    en.wikipedia.org/wiki/Biogasoline

    Biodiesel is a liquid fuel composed of vegetable oils and or animal fats. To create the gasoline itself, these subsequent liquids are combined with alcohol. Biodiesel is used to fuel compression ignition engines, otherwise known as diesel engines. The most common product of biodiesel is B20, a 20:80 blend: 20% biodiesel to 80% petroleum diesel.

  4. Energy content of biofuel - Wikipedia

    en.wikipedia.org/wiki/Energy_content_of_biofuel

    Biofuels include bioethanol, an alcohol made by fermentation—often used as a gasoline additive, and biodiesel, which is usually used as a diesel additive. Specific energy is energy per unit mass , which is used to describe the chemical energy content of a fuel, expressed in SI units as joule per kilogram (J/kg) or equivalent units. [ 1 ]

  5. What are biofuels and why is it so confusing whether they are ...

    www.aol.com/news/biofuels-why-confusing-whether...

    A biofuel made from waste or inedible vegetation, with renewable energy to power the production, would have little or no greenhouse gas emissions, making it a clean fuel.

  6. Algae fuel - Wikipedia

    en.wikipedia.org/wiki/Algae_fuel

    Algae fuel, algal biofuel, or algal oil is an alternative to liquid fossil fuels that use algae as its source of energy-rich oils. Also, algae fuels are an alternative to commonly known biofuel sources, such as corn and sugarcane. [1] [2] When made from seaweed (macroalgae) it can be known as seaweed fuel or seaweed oil.

  7. Biodiesel - Wikipedia

    en.wikipedia.org/wiki/Biodiesel

    Many advocates suggest that waste vegetable oil is the best source of oil to produce biodiesel, but since the available supply is drastically less than the amount of petroleum-based fuel that is burned for transportation and home heating in the world, this local solution could not scale to the current rate of consumption.

  8. Renewable fuels - Wikipedia

    en.wikipedia.org/wiki/Renewable_fuels

    Renewable fuels are fuels produced from renewable resources. Examples include: biofuels (e.g. Vegetable oil used as fuel, ethanol, methanol from clean energy and carbon dioxide [1] or biomass, and biodiesel), Hydrogen fuel (when produced with renewable processes), and fully synthetic fuel (also known as electrofuel) produced from ambient carbon dioxide and water.

  9. Exclusive-US EPA says it is auditing biofuel producers' used ...

    www.aol.com/news/exclusive-us-epa-says-auditing...

    The production of biodiesel from sustainable ingredients, like used cooking oil, can earn refiners a slew of state and federal environmental and climate subsidies, including tradable credits under ...