New field reporter Darieth Chisolm heads to Southern California to investigate biogas and hydrogen batteries powerful enough to run a city bus.

Curious about sustainability, George heads to Cincinnati to explore the evolution of laundry detergent pods and the impact on water and energy usage.

Curious about 3D printing and how additive manufacturing could change mass production, George sends Darieth to uncover the world of 3D printing aerospace parts that are no longer manufactured.