隨著通訊技術及車聯網的快速發展，共享汽車近年以來被視為交通運具中，重要的一環，對城市交通的改善及環境的節能減碳，更為社會所重視，但因B2C的商業模式有許多成本上的因素與困難，本研究將聚焦於台灣國內的主要連鎖汽車租賃業者去做轉型發展共享汽車的研究。
本研究經由資料整理出相關的五大構面及二十一項準則，進行分析與探討，主要能夠快速的了解到連鎖汽車租賃業者的營業規模及發展共享時所考量的面向，本次問卷發放的對象主要為產業界，均具有汽車租賃或汽車共享等相關背景之23位專家。利用多層次決策分析法 (HDM) ，評估計算各構面及準則之間的相對權重和進行權重的重新排序。
本研究結果分析數據如下：此研究模型五大構面中首重便利性及可近性。各構面下的準則優先考量如下： (1) 車聯網構面：首重定位系統、(2)便利性及可近性構面：首重據點數量、(3) 運營成本構面：首重車輛購置、(4)顧客經營構面：首重租賃費率、(5) 永續環境構面下，首重減少碳足跡。本研究結果可提供傳統汽車租賃業對投入共享汽車業務發展之影響關鍵給予參考，能有效的制定出發展策略。

As the rapid development of communication technology and the Internet of Things (IoT), car sharing has become increasingly recognized as an important part of transportation, contributing to the improvement of urban mobility and energy efficiency, as well as the reduction of carbon emissions. However, the business-to-consumer (B2C) model of car sharing involves various cost factors and challenges. Therefore, this study aims to focus on the transformation and development of major chain car rental companies in Taiwan to explore the implementation of car sharing.
Through data consolidation, this study has identified five major dimensions and twenty-one criteria for analysis and discussion. It enables a quick understanding of the business scale and key considerations of car rental chain operators when transitioning to car sharing. The survey targeted industry experts, consisting of 23 professionals with backgrounds in car rental or car sharing. The Hierarchical Decision Model (HDM) was employed to evaluate and calculate the relative weights between dimensions and criteria, facilitating the reordering of weights.
The analysis of the research findings is as follows: Within the five major dimensions of the research model, convenience and proximity are given the highest priority. The prioritized criteria under each dimension are as follows: (1) Vehicle-Internet integration dimension: priority given to the positioning system, (2) Convenience and proximity dimension: priority given to the number of locations, (3) Operational cost dimension: priority given to vehicle procurement, (4) Customer management dimension: priority given to rental rates, and (5) Sustainable environment dimension: priority given to reducing carbon footprint. These research findings provide key insights for traditional car rental businesses considering entering the car sharing industry, enabling them to effectively formulate development strategies.

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