São Paulo, Brazil, the fifth largest city in the world and a destination for millions of travelers every year, is known for being both a global business hub and culture-rich metropolis. But with its booming population and commerce comes a challenge felt across the country of Brazil: harmful air pollution caused by diesel-powered commercial transportation.

The good news is that the very people who bear the brunt of this crisis are also the ones doing something to address it. In this episode, you’ll hear stories of progress from Brazilians across the transportation ecosystem, including utility provider employees, nonprofit leaders, and a municipal government representative. As you listen to their stories, you’ll note a common theme: There have been critical advancements in the electrification of trucks and buses in and around São Paulo, and policymakers play a crucial role in accelerating this transition. By aligning policy with science, technology, and industry leadership, they can ensure Brazil will lead the Global South in the sustainable transportation movement.