Prometheus Fuels
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| Company type | Private |
|---|---|
| Industry | Carbon-neutral fuels, carbon capture and storage, environmental services |
| Founded | 2019 |
| Founder | Rob McGinnis |
| Headquarters | , |
| Products | Zero-net-carbon gasoline and jet fuels |
| Website | PrometheusFuels.com |
Prometheus Fuels is an American energy startup developing tools to filter atmospheric CO2 using water, electricity, and nanotube membranes to produce commercially viable fuels. When powered by renewable electricity sources, e-fuels produced by such direct air capture methods do not contribute further emissions, making them carbon neutral.[1] The project was one of two selected for investment in March of 2019 by Y Combinator, a prominent Silicon Valley business incubator, after requesting proposals which address carbon removal.[2]
The process uses a solution of liquid water and CO2 that is exposed to an electrified copper plate. This catalyzes a reaction and produces fuel alcohols (mostly ethanol). Closely packed filters made from cylindrical carbon nanotubes embedded in plastic allow ethanol through while blocking water molecules. From there, the more concentrated solution of approximately 95% ethanol can be catalyzed with zeolite to join into more complex hydrocarbons, including gasoline, diesel, or jet fuel. This technique works at room temperature, while traditional methods of extraction require heat to distill it from a solution.[1][3] Founder Rob McGinnis speculated that even though the theoretical efficiency of Prometheus' system was only 50–60%, their less energy-intensive process could nevertheless considerably lower overall cost and be competitive with fossil fuels.[4]
In June 2020, BMW announced the investment of US$12.5 million into Prometheus Fuels[5]
References
- ^ a b Service, Robert F. (3 July 2019). "This former playwright aims to turn solar and wind power into gasoline". Science Magazine. Retrieved 14 March 2020.
- ^ Brustein, Joshua (30 April 2019). "In Silicon Valley, the Quest to Make Gasoline Out of Thin Air". Bloomberg.com. Retrieved 14 March 2020.
Y Combinator, a renowned early-stage investment firm, made a show of calling for new companies working on carbon removal.
- ^ Erickson, Doug (26 November 2019). "Making Gasoline Out of Thin Air". Santa Cruz Works. Retrieved 14 March 2020.
- ^ Johnson, Eric (13 November 2019). "Reclaiming fuel from air". Chemistry World. Retrieved 12 March 2020.
- ^ Malewar, Amit (2020-06-11). "BMW invests in technology that recycles CO2 from the air into carbon-neutral gasoline". Inceptive Mind. Retrieved 2020-06-21.