Automotive Why Cars Made The Switch To 12-Volt From 6-Volt Batteries Fady A. Samy September 6, 2026 Starting in 1918, American cars had 6-volt batteries. But over two years in the 1950s, every U.S. automaker switched over to 12-volts. Here’s why. Â Continue Reading Previous: The 11 Most Powerful Naturally Aspirated Engines Of 2026, Ranked By TorqueNext: I tried chicken nuggets from 6 fast-food chains and ranked them from worst to best Related Stories Automotive Toyota’s Million-Mile V8 Followed 3 Rules The Recall-Plagued New Tundra Ignored Fady A. Samy September 6, 2026 Automotive High Reliability, Low Price Tag: 5 Mazda Models That Make More Sense If You Buy Them Used Fady A. Samy September 6, 2026 Automotive Heated Wooden Floors, Swivel Seats, And Coach Doors: The Wildest Features Of The Genesis GV90 Fady A. Samy September 6, 2026