Hong Kong is experiencing a surge in electric vehicle (EV) adoption, driven by government incentives and a growing awareness of the need to reduce carbon emissions. The city's One-for-One Replacement Scheme has successfully encouraged car owners to switch from fossil fuel cars to EVs, resulting in EV sales surpassing conventional car sales. However, this transition poses challenges such as the need for fast charging infrastructure, power grid upgrades, and battery recycling. The government has introduced initiatives like the Green Transformation Roadmap for Public Buses and Taxis to encourage the adoption of EVs in public transport. Additionally, plans are in place to install more charging stations and enhance the power grid to support the increasing demand for clean energy. Fast chargers, essential for EVs, require infrastructure development to meet the growing needs of motorists. The city is working towards increasing the number of charging stations and transitioning to faster charging technologies to address this issue. Moreover, the power grid needs upgrades to accommodate the additional load from EVs and ensure efficient charging. Innovations like hydrogen fuel energy offer new possibilities for sustainable transportation in Hong Kong. The recent launch of the city's first public hydrogen refueling station by China Petroleum & Chemical Corp marks a significant milestone in the search for clean energy alternatives. However, challenges such as infrastructure development and regulatory standards still need to be addressed. While the transition to electric energy presents challenges, it also brings opportunities for Hong Kong to achieve its sustainability goals. By investing in infrastructure, incentivizing clean energy adoption, and addressing technological and regulatory hurdles, the city can pave the way for a greener and more efficient transportation sector.