https://www.ccomptes.fr/system/files/2019-04/20190418-refere-2018-4023-plan-relance-autoroutier.pdf
https://www.boeckler.de/fpdf/HBS-008396/p_imk_pb_132_2022.pdf
https://www.technologyreview.com/2024/01/25/1087027/climate-subsidies-inflation-reduction-act-mining-critical-minerals/