Regulatory and efficiency factors are motivating companies to consider electrifying their corporate fleets. What do fleet managers and sustainability leaders need to know to successfully implement the shift from combustion to electric vehicles? The Climate Board has conducted extensive research to support business leaders with evaluating, purchasing, and operationalizing electric fleet vehicles. As a result of third party interviews and analysis, this primer will outline the motivations and practical challenges of electrifying fleets, as well as the essential first steps to prepare for and evaluate EVs.