Alternative Fuels and Integrated Hybrid Energy Systems for Reducing Fossil Fuel Demand
A special issue of Environments (ISSN 2076-3298). This special issue belongs to the section "Environmental Economics, Energy Systems and Policymaking".
Deadline for manuscript submissions: 20 October 2026 | Viewed by 12
Special Issue Editors
Interests: biogas waste; solid waste management; methane production; waste utilization; Water and wastewater treatment; wastewater engineering
Special Issues, Collections and Topics in MDPI journals
Interests: energy conservation; renewable energies; bio-methane; hydrogen; energy storage
Special Issues, Collections and Topics in MDPI journals
Interests: microbial biotechnology; biopolymers; circular economy; PHAs; environmental biotechnology
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The “Fit for 55” legislative package sets a binding target of reducing greenhouse gas emissions by at least 55% by 2030, with the overarching goal of achieving climate neutrality by 2050. Nevertheless, several sectors remain particularly challenging to decarbonize, and even those initially regarded as relatively straightforward to transition — such as the passenger-car sector and last-mile delivery operations—are experiencing significant delays. These developments necessitate a critical reassessment of the established technical objectives, which may have been set under overly optimistic assumptions. While the large-scale production of biofuels and synthetic fuels does not represent an optimal long-term solution, it is likely to yield a more substantial near-term impact on global emission reductions, complementing partial electrification strategies in mitigating the broader consequences of climate change.
The present Special Issue examines the range of technologies currently available for producing synthetic fuels and biofuels, along with their broader implications. It further addresses existing technologies capable of achieving significant reductions in fuel consumption in the transport sector and evaluates the techno-economic feasibility of implementing advances in fuel production processes and engine efficiency design to alleviate the growing demand for fossil fuels.
The prevailing global landscape is marked by significant uncertainties surrounding fossil fuel supply security and price volatility, underscoring the urgent need for pragmatic, large-scale solutions to attenuate the cascading economic impacts on commodity pricing and to alleviate supply constraints in sectors critically dependent on fuel availability, particularly freight transport and public transit.
Prof. Dr. Xiomar Gómez
Dr. Rubén González González
Dr. Silvia González-Rojo
Guest Editors
Manuscript Submission Information
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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Environments is an international peer-reviewed open access monthly journal published by MDPI.
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Keywords
- biofuels
- synthetic fuels
- hybridization
- technology integration
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