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  2. Renewable natural gas - Wikipedia

    en.wikipedia.org/wiki/Renewable_natural_gas

    The key difference from fossil natural gas is that it is often considered partly or fully carbon neutral, [31] since the carbon dioxide contained in the biomass is naturally renewed in each generation of plants, rather than being released from fossil stores and increasing atmospheric carbon dioxide.

  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. Net-zero emissions - Wikipedia

    en.wikipedia.org/wiki/Net-zero_emissions

    Some authors say that carbon neutrality strategies focus only on carbon dioxide, but net zero includes all greenhouse gases. [28] [29] However some publications, such as the national strategy of France, use the term "carbon neutral" to mean net reductions of all greenhouse gases. [3] The United States has pledged to achieve "net zero" emissions ...

  5. Alternative fuel - Wikipedia

    en.wikipedia.org/wiki/Alternative_fuel

    [26] [27] To the extent that carbon neutral fuels displace fossil fuels, or if they are produced from waste carbon or seawater carbolic acid, and their combustion is subject to carbon capture at the flue or exhaust pipe, they result in negative carbon dioxide emission and net carbon dioxide removal from the atmosphere, and thus constitute a ...

  6. Workaround Companies Use To Be 'Carbon-Neutral' - AOL

    www.aol.com/workaround-companies-carbon-neutral...

    When a group is carbon-neutral, it's taking steps to remove an amount of carbon dioxide from the atmosphere that's equivalent to what's being omitted by that group's activities. While the stadiums ...

  7. 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.

  8. The Rise of Carbon-Neutral Neighborhoods - AOL

    www.aol.com/news/rise-carbon-neutral...

    Berschin lives in Heidelberg’s Bahnstadt district, one of the world’s largest carbon-neutral neighborhoods. Home to 6,500 residents, Bahnstadt is a model for sustainable urban living, with ...

  9. Second-generation biofuels - Wikipedia

    en.wikipedia.org/wiki/Second-generation_biofuels

    The charcoal byproduct is put back into the soil as a fertilizer. According to the director Tom Adams since carbon is put back into the soil, this biofuel can actually be carbon negative not just carbon neutral. Carbon negative decreases carbon dioxide in the air reversing the greenhouse effect not just reducing it. [citation needed]