![TED Talks Daily (HD video) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/773/small/tedtalks-hd.png)
Summary: Throughout the US, millions of freight trucks are buzzing goods across state lines, producing massive amounts of greenhouse emissions -- and some of them are only half full. Working to make this 400-billion-dollar-a-year supply chain process as efficient and sustainable as possible, freight expert Oren Zaslansky digs into the logistics of filling these trucks to their maximum capacity through algorithmic carpooling (think: ride-sharing your freight) -- bringing with it the potential of a more transparent and eco-friendly global supply chain.