Retraction notice to “A sustainable approach for the multi-dimensional exploitation of mixed biochar based nano-composites” [Fuel 336 (2023) 126930] (Fuel (2023) 336, (S0016236122037541), (10.1016/j.fuel.2022.126930))

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editor-in-Chief. In investigating concerns regarding suspicious changes in authorship between the original submission and the revised version of this paper the Editor reached out to the authors for an explanation. In summary, one author was removed from the paper during revision. The author's names Fakhar E Alam and Shafaqat Ali were then added to the revised paper without explanation and without exceptional approval by the journal Editor, which is contrary to the journal policy on changes to authorship. The authors failed to provide a satisfactory explanation to the above change. Post-publication, the Editor also discovered suspicious email addresses used by some authors during the submission process that were associated with multiple researcher accounts. The Editor has determined that the authorship of the paper cannot be relied upon, and the article needs to be retracted.