There are more than 1 million drones registered in the U.S. Most of them belong to people flying them for fun, but a growing number are used commercially. Companies including Amazon, UPS, Google and DHL are already exploring ways to deliver packages with drones instead of trucks. Our new research has measured how that shift would change how the U.S. uses energy, and the […] … learn more→

Whether you’re a fashion junkie or a reluctant shopper, there is no denying that buying online is hugely convenient – a couple of clicks and your order is on its way to your door. But we are all aware that these goods need to be transported, and that a delivery involving planes, ships and trucks […] … learn more→