These days, virtually every automotive battery manufacturer makes some type of absorbed glass mat (AGM) battery, a technology that is rapidly replacing the flooded electrolyte batteries most folks are ...

A regular battery is composed of flat lead plates and grids stacked in a bath of acid. While effective, over time the plates sulfate and internal resistance causes a battery to die. An Optima battery ...

Battery chargers have been around since the first automotive batteries. This ubiquitous garage appliance doesn't get a lot of thought, and most purchases of battery chargers happen in the sordid ...

Car racing has long been hailed as the ultimate test bed for burgeoning automotive technologies, with everything from aerodynamics to paddle shifters making their way from high-tech racing machines to ...

We earn commissions from purchases you make using links in our articles. Learn more. You depend on your truck to start reliably every time, every day; but then comes a critical moment when you twist ...