In the past, it was rarely used for anything other than powering the onboard cigarette lighter; today, it’s an indispensable source of power for countless electronics, including our smartphones.

iPhone and iPad chargers quite often break or stop working – but then, they do take a battering over the years. From travel damage to constant plugging and unplugging, it’s no surprise to find that ...

You can (and should) actually read your spark plugs for valuable "clues" about how your engine is operating. To read your spark plugs, follow these steps: 1. When you get the first spark plug out of ...