The six companies have about a year to "develop and produce" their prototypes. All the USPS will say for now is that, "Half of the [50] prototypes will feature hybrid and new technologies ...

News from Zap's California headquarters has been quiet of late, with not much more than a few tidbits about a possible electric SUV and more orders for the Zaptruck reaching our screens.

So, the deal with the new USPS trucks, or Next Generation Delivery Vehicles (NGDVs), is that they're designed to be safer, more efficient, and better for the environment. And this person said ...