Developing vehicle regulations for efficiency and electrification is a journey that requires strong partnerships, technical expertise, and sustained capacity building. This session showcases experiences from India, Kenya, and Thailand, highlighting how governments, technical experts, and other stakeholders have worked together to develop and implement effective regulations. Speakers will share key steps, milestones, challenges, and capacity-building approaches from their respective country journeys, offering practical lessons and insights that participants can adapt to advance vehicle efficiency and electrification policies in their own countries.