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2. European Environment Agency. 2010. The Contribution of Transport to Air Quality -TERM 2012: Transport Indicators Tracking Progress. DOI: 10.2800/65113
3. Presidential Regulation Number 55 of 2019 the Republic of Indonesia concerning Acceleration of Electric Vehicle Program Based on Battery for Road Transportation (Peraturan Presiden No. 55 Tahun 2019 tentang Percepatan Program Kendaraan Berbasis Listrik (KBL) Berbasis Baterai untuk Transportasi Jalan) in Bahasa Indonesia Presidential Regulation Number 55 of 2019 the Republic of Indonesia concerning Acceleration of Electric Vehicle Program Based on Battery for Road Transportation (Peraturan Presiden No. 55 Tahun 2019 tentang Percepatan Program Kendaraan Berbasis Listrik (KBL) Berbasis Baterai untuk Transportasi Jalan) in Bahasa Indonesia
4. Who will buy electric vehicles? Identifying early adopters in Germany
5. Review of hybrid, plug-in hybrid, and electric vehicle market modeling Studies