https://www.eca.europa.eu/Lists/ECADocuments/SR22_21/SR_NRRPs_IT.pdf
https://promarket.org/2021/02/05/coronavirus-news-bad-articles-america/
https://www.bwb.gv.at/fileadmin/user_upload/Abschlussbericht_BU_Kraftstoffe_2022_final_barrierefrei.pdf
https://www.tandfonline.com/doi/full/10.1080/14693062.2024.2341080