Traditional ICE (internal combustion engine) cars keep the 12-volt battery topped up with an alternator. When the gas engine is running, a belt turns the alternator, which generates DC power to ...

Plug-in hybrid vehicles might be even less fuel efficient than gas-only cars when owners don't plug them in, and most owners ...

Smart plugs can add controls to any outlet, but they aren’t perfect for everything. Here’s our guide to using one and which ...