DieHard Batteries manufactures automotive batteries ... I'm still under warranty for my Die Hard silver car battery. I have two of the same cars so it's easy to test one against the other.

An electric-car battery can weigh thousands of pounds. As more electric cars hit the road, the race is on to find a sustainable way to deal with these batteries once they die. One startup uses a ...

Modern electric car batteries are increasingly designed to ... charging cycles each battery cell goes through. Battery cells die when a battery reaches its empty or full state of charge for ...

Known by millions as Mr. Bean, Atkinson is a die-hard car enthusiast and a staunch supporter ... cars with their heavy and costly lithium-ion batteries are not the "environmental panacea" they ...