# Fuels of the Future for Renewable Energy Sources (Ammonia, Biofuels, Hydrogen)

**Authors:** G. Ali Mansoori, L. Barnie Agyarko, L. Antonio Estevez, Behrooz Fallahi, Georgi Gladyshev, Ronaldo Gonçalves dos Santos, Shawn Niaki, Ognjen Perišić, Mika Sillanpää, Kaniki Tumba, Jeffrey Yen  
**arXiv:** [2102.00439](https://arxiv.org/abs/2102.00439)  
**Date:** 2021-01-31  
**Summary page:** https://www.summarizepaper.com/en/paper/2102.00439v1/

## Key points

- The paper explores strategies for developing and implementing renewable energy sources to reduce reliance on carbon-based fossil fuels
- Highlight ongoing efforts in small-scale renewable energy applications for heating, cooling, and electricity generation worldwide
- Emphasize transitioning hydrogen and ammonia production from fossil fuels to renewable sources to reduce global greenhouse gas emissions
- Discuss the potential of 2nd, 3rd, and 4th generation biofuels to provide large-scale fuel supplies without increasing greenhouse gas emissions
- Propose using ammonia produced from renewable energy resources as fertilizer for biofuel production
- Delve into various aspects related to renewable energy sources such as technology status, economics, environmental benefits, obstacles for commercialization, and competitiveness among different options

## Summary

The paper "Fuels of the Future for Renewable Energy Sources (Ammonia, Biofuels, Hydrogen)" by G. Ali Mansoori et al. explores potential strategies for developing and implementing renewable energy sources on a large scale to reduce reliance on carbon-based fossil fuels. The aim is to mitigate the harmful effects of these fuels on the environment and ensure the sustainability of natural resources by decreasing greenhouse gas emissions. The authors highlight ongoing efforts in small-scale renewable energy applications for heating, cooling, and electricity generation in households and commercial buildings worldwide. They emphasize transitioning hydrogen (H2) and ammonia (NH3) production from fossil fuels to renewable sources as a significant step towards reducing global greenhouse gas emissions. While acknowledging that first-generation biofuels produced from food crops may not be sustainable in the long term due to competition with food supplies, the paper discusses the potential of 2nd, 3rd, and 4th generation biofuels to provide large-scale fuel supplies without increasing greenhouse gas emissions. Additionally, they propose using ammonia produced from renewable energy resources as fertilizer for biofuel production. The authors delve into various aspects related to renewable energy sources such as technology status, economics, overall environmental benefits, obstacles for commercialization, and competitiveness among different options. By examining these factors comprehensively, they aim to contribute valuable insights towards achieving a more sustainable energy future. Overall,<nl> this paper provides a detailed analysis of how transitioning towards renewable energy sources like hydrogen,<nl> ammonia,<nl> and advanced biofuels can play a crucial role in reducing greenhouse gas emissions and promoting environmental sustainability globally.