Ukraine is using unmanned ground vehicles armed with bombs, guns or rockets to carry out attacks and keep its soldiers out of harm’s way. By Maria Varenikova Reporting from Kyiv, Ukraine The robots ...

Abstract: Trajectory optimization of electric vertical takeoff and landing (eVTOL) vehicles for urban air mobility (UAM) missions, such as passenger transportation and cargo delivery, has only been ...

PHOENIX — The Phoenix Police Department has vowed to stop using non-U.S. license plates on its unmarked vehicles after a video circulating online appeared to show police vehicles equipped with Mexican ...

Abstract: This study investigates the design and implementation of a hybrid charging station for lightweight electric vehicles, such as electric bikes, featuring a web-based monitoring system and ...