I have a restored 1947 Plymouth Business Coupe. That was the same year I, too, came off the “assembly line.” The Plymouth has a 6-volt battery, and the starter motor turns over slowly. Can I safely ...

All of the above, Jerry. The problem is that everything in your car is designed to run on 6 volts. Running 8 volts through 6-volt components will put some stress on them and might shorten their lives ...

This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could run 12V car accessories in a 6V car. The circuit is simple, about 75% efficient and quite useful. By ...

Manufacturers are investing huge sums into battery technology to maximize the range and performance of new electric cars. However, if you pop the hood of a modern EV, you might find a regular old ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...