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Every article on Frontiers is peer reviewed, permanently archived and free to read.

Showing 4 articles

Original Research
Published 31 August 2026
Multi-objective optimization of HDPE pyrolysis oil–diesel blends across variable compression ratios: an integrated experimental and ensemble learning approach
Satayu Travadi · Dattatraya Subhedar
Frontiers in Chemical Engineering
doi 10.3389/fceng.2026.1891010
Original Research
Published 23 June 2026
Influence of localized roadway surface obstacles on vehicular emissions under real-world urban driving conditions
Victor Cardoso Oliveira · Thiago Iachiley Araújo de Souza · Nicole Souza Batista · Bruno Vieira Bertoncini · Verônica Teixeira Franco Castelo Branco
Frontiers in Big Data
doi 10.3389/fdata.2026.1807559
Fuels
Published 4 March 2025
Achieving biodiesel standards through saturation level optimisation
Kemal Masera · Abul Kalam Hossain · Gareth Griffiths
Frontiers in Fuels
doi 10.3389/ffuel.2025.1528451
Aerospace Engineering
Published 1 February 2024
NO x formation processes in rotating detonation engines
Caleb Van Beck · Venkat Raman
Frontiers in Aerospace Engineering
doi 10.3389/fpace.2024.1335906