Although the “Drive” gear of automatic transmissions is the basic way to get your car moving forward, some vehicles have additional settings, such as “L” for “low gear.” The setting ...

Additionally, a transmission allows you to harness your vehicle’s engine energy when necessary. At slower speeds, you can stay in a lower gear and avoid damaging your engine. At higher speeds, you can ...

“No problem!” you exclaim. “I’ll just use a USB battery pack!” But the current draw is too low, and the pack won’t stay on. “Blast!” you exclaim, because you’ve been watching too ...