With this simple circuit, you will have a strobe navigation light system with LEDs in your rc model aircraft or you can use ...

Abstract: The accurate instantaneous energy consumption estimation for electric buses (EBs) is helpful for drivers to schedule and use EBs more reasonably, which is also essential for the realization ...

Every bus was soon using particulate filters, and fleetwide emissions were down more than 90%. For the first time, New York City’s particulate pollution levels were below the federal health standard.