What's the most harmful kind of air pollution? It's soot generated by diesel engines found in trucks, buses and ships. Diesel engines are the durable workhorses of transportation, but as they get older, they spew unhealthy soot. They are now challenging community activists and government officials to find creative solutions for at-risk areas like West Oakland, California.
You may view the "Perilous Diesel" story online, as well as find additional links and resources. Also get behind-the-scenes photos for this story in our photo set on flickr.
Gabriela Quirós is a Segment Producer for KQED-TV, and is the producer for this story.