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The electrification of trams was one of the most significant changes in urban transport. It led to price reductions, increased speed, better regularity, comfort and convenience, and the popularization of this means of transport. Its introduction required a new business model, characterized by massive investment, modern management, and the use of more sophisticated technology. This innovation came late to Spain and its arrival was aided by capital from Belgian investors and German multinational corporations.
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Alberte Martínez-López (2012) studied this question.
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