Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Big tires, small tires, overland rigs, and even a basketball; I tested them all to find inflators I'd actually use myself.

Fires sparked by lithium-ion batteries—which are used to power electric bicycles—have proven to be violent, fast-moving and tough to extinguish. So far this year, the FDNY says 66 fires have been ...