The earliest evidence of the invention of the wheel pops up around 5,500 years ago in Uruk, ancient Mesopotamia, which has to ...

Transmission makers have to balance vehicle speed and engine power. The choices they make affect everything from shifting ...

If you want to understand just how involuted China’s electric car market has become, you might visit the two-story NIO dealership along Nanjing Road in the heart of downtown Shanghai. A barista ...

Every product is carefully selected by our editors. If you buy from a link, we may earn a commission. Learn more Before there were slide locks, liner locks and frame locks, there were friction folders ...