LAS VEGAS -- Ever get shut out after forgetting to recharge your smart lock. The Lockin V7 Max, introduced at CES, eschews all of the traditional methods used to keep smart locks powered in favor of one that you'll never need to think about.

For the first time in the US, a battery-electric semi truck has successfully been charged at highway speeds, and without wires thanks to a new, patent-pending system designed by a team of Purdue University engineers with support from Cummins.