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  2. 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.

  3. Carbon-neutral fuel - Wikipedia

    en.wikipedia.org/wiki/Carbon-neutral_fuel

    Carbon-neutral fuel is fuel which produces no net-greenhouse gas emissions or carbon footprint. In practice, this usually means fuels that are made using carbon dioxide (CO 2 ) as a feedstock . Proposed carbon-neutral fuels can broadly be grouped into synthetic fuels , which are made by chemically hydrogenating carbon dioxide, and biofuels ...

  4. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    The International Renewable Energy Agency (IRENA) stated that ~86% (187 GW) of renewable capacity added in 2022 had lower costs than electricity generated from fossil fuels. [172] IRENA also stated that capacity added since 2000 reduced electricity bills in 2022 by at least $520 billion, and that in non-OECD countries, the lifetime savings of ...

  5. How do alternative fuels fit into the future of renewable ...

    www.aol.com/news/alternative-fuels-fit-future...

    At the moment, renewable energy only accounts for less than 9% of U.S. energy.” The aviation industry could become a significant market for biofuels in the future, said Mohnen.

  6. Decarboxylated and decarbonylated biofuels - Wikipedia

    en.wikipedia.org/wiki/Decarboxylated_and_de...

    [1] [2] Conversion of biomass to liquid fuels is preferred as an alternative to the extraction of fossil fuels because biomass removes carbon dioxide from the atmosphere as it grows through photosynthesis. When combusted, this carbon is re-released into the atmosphere, closing the carbon cycle and making biofuels carbon neutral under some ...

  7. Biofuel - Wikipedia

    en.wikipedia.org/wiki/Biofuel

    An aviation biofuel (also known as bio-jet fuel, [65] sustainable aviation fuel (SAF) or bio-aviation fuel (BAF) [66]) is a biofuel used to power aircraft. The International Air Transport Association (IATA) considers it a key element in reducing the environmental impact of aviation . [ 67 ]