Welcome to SAE International's Dictionary of Electric and Hybrid Vehicles, the ultimate reference for mastering the complex and fast-evolving world of electric and hybrid vehicle technologies. Designed for engineers, researchers, students, and enthusiasts, this comprehensive guide is your key to navigating the intricate vocabulary and concepts driving the future of sustainable transportation. As the automotive industry pivots toward greener, more efficient solutions, understanding the terminology and technology behind electric and hybrid vehicles is crucial. This dictionary offers precise, accessible definitions for a wide range of terms-from foundational principles to the latest innovations in battery technology, motor design, and smart charging systems. Each entry has been meticulously curated by experts to ensure accuracy and relevance, providing clear explanations that enhance both comprehension and application. Reflecting the most recent advancements in automotive engineering, electrical and mechanical engineering, chemistry, and environmental science, this resource stands as a testament to collaborative expertise. Whether you're a seasoned professional seeking to update your knowledge or a student embarking on new projects, this dictionary will support your journey with reliable, up-to-date information. Embark on your exploration of the dynamic realm of electric and hybrid vehicles with confidence and clarity. Your gateway to the future of automotive technology starts here.