Kevin Brown, The Electric Tbus Group, 2001, 8 p « https://hydeparkandwoodhouseonline.com/wp-content/uploads/2012/10/Trolley-Coalition-energy.pdf « http://www.tbus.org.uk/fuelcell.htm « https://assets.publishing.service.gov.uk/media/5a7e0035ed915d74e6223743/pdfmanforstreets.pdf « https://www.nasa.gov/wp-content/uploads/2018/09/nasa_systems_engineering_handbook_0.pdf « https://www.vtpi.org/tranben.pdf « https://ietresearch.onlinelibrary.wiley.com/doi/full/10.1049/iet-est.2019.0014 « https://www.mdpi.com/2071-1050/16/12/4950 « https://upcommons.upc.edu/bitstream/handle/2117/424916/MSc%2030.9.1%20Thesis%20-%20E%20Buses%20UPC%20-%20Babjak%20.pdf?sequence=2 « https://www.sciencedirect.com/science/article/abs/pii/S0968090X18314578 « https://dccc.iisc.ac.in/web/BMTC%20Paper.pdf « https://www.researchgate.net/publication/381340361_Comparisons_of_Driving_Characteristics_between_Electric_and_Diesel-Powered_Bus_Operations_along_Identical_Bus_Routes « https://acris.aalto.fi/ws/portalfiles/portal/27322839/ENG_Veps_l_inen_Jari_Driving_Style_Comparison_IEEE_Vehicle_Power_and_Propulsion_Conference_2017.pdf « https://www.research-collection.ethz.ch/bitstream/handle/20.500.11850/121450/2539-07.pdf;jsessionid=53925225356600BDBE3C69E9BCA07970?sequence=1
