The Toronto Transit Commission and PowerON Energy Solutions have introduced ten new battery-electric bus charging pantographs at the Birchmount Garage, marking a significant step in the city's sustainable transportation efforts. The global push for sustainability emphasizes the pivotal role of transit operators in decarbonizing transportation. Electric buses, particularly Battery-Electric Buses (BEBs) and Hybrid-Electric Buses (HEBs), are highlighted as effective solutions for reducing greenhouse gas emissions and pollution. A detailed overview of the types of electric buses and charging approaches, including depot and opportunity charging, is provided. Hydrogen fuel cell electric buses (FCEBs) are also discussed, noting their emission-free operation but energy-intensive production process. The article delves into the benefits and considerations of overhead pantograph charging and DC fast charging systems, crucial for ensuring efficient bus fleet electrification. Best practices for electrifying bus fleets are outlined, emphasizing the importance of route analysis, infrastructure evaluation, and pilot programs to facilitate a successful transition. The sentiment towards hydrogen in the article is positive, focusing on the broader spectrum of electric bus technologies and charging infrastructure in the context of sustainability and environmental benefits.