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Green Six Sigma and Green Transports
Published in Ron Basu, The Green Six Sigma Handbook, 2023
One possible solution under trial is so-called electrofuels produced by combining the hydrogen in water and the carbon obtained from carbon dioxide. But ‘electrofuels’ are at the moment four times more expensive and need electricity (which should be clean energy) to make them. Large organisations like Siemens Energy can see a huge potential for what they call the ‘hydrogen economy’. Armin Schnettler of Siemens Energy has commented, ‘I strongly believe that the next step of the global energy transition will be based on the hydrogen economy—transforming “green electrons” to “green molecules” via water electrolysis’ (Whitlock, 2020). It is expected that by using renewable electrical energy like wind or solar power for ‘green electrons’ from the power sector this will unlock enormous environmental and business benefits across all sectors. However, we also need the infrastructure of special refuelling stations along the highways in order to make this work.
Roadmap to decarbonising aviation
Published in Frank Fichert, Peter Forsyth, Hans-Martin Niemeier, Aviation and Climate Change, 2020
Bill Hemmings, Andrew Murphy, Thomas Earl, Carlos Calvo Ambel, Lucy Gilliam, Jori Sihvonen, Laura Buffet
Significant effort and resources will be required to collect and process sustainable feedstocks to produce the maximum amount of advanced biofuels to reduce the amount of electrofuels required to cover the remaining kerosene demand. This pathway therefore requires significant amounts of additional renewable electricity to be rapidly installed, which will be required to produce electrofuels at considerable cost.
Powered two-wheelers for sustainable mobility: A review of consumer adoption of electric motorcycles
Published in International Journal of Sustainable Transportation, 2020
Commercial biofuel production involves the photosynthetic capture of solar energy and its conversion to reduced carbon. This process has a low efficiency, which is an obstacle to scaling. So-called electrofuels can utilize non-photosynthetic organisms to convert electricity to energy-dense, infrastructure-compatible liquid fuels. This could offer better conversion efficiency and reduce the need for arable land and water, compared with biofuel production (Conrado et al., 2013). With the exception of hydrogen, most electrofuels such as e-methanol, e-diesel, and e-petroleum rely on the existing storage and distribution infrastructure and only require minor modification to existing internal combustion engines.