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2. https://www.ev-volumes.com/country/total-world-plug-in-vehicle-volumes/.
3. https://europe.autonews.com/automakers/germany-backs-eu-phaseout-new-combustion-engine-cars.
4. Thomas Earl LM, Stef Cornelis, Samuel Kenny, Carlos Calvo Ambel, James Nix. Analysis of long haul battery electric trucks in EU Marketplace and technology, economic, environmental, and policy perspectives. Amended paper (August 2018) originally presented in: 8th Commercial Vehicle Workshop; 2018.
5. Electric Cars: The Battery Challenge;Castelvecchi;Nature,2021