Some semi trucks use single axles, while others use double or tandem axles. Here are the differences between the two setups and why they matter.

There's no denying that semi-trucks are pretty common vehicles on today's roads. It is nearly impossible to find an urban area without one, a testament to not only how widespread they are, but to how ...

According to the EPA, transportation produced 28% of the greenhouse gases released in the United States in 2022, and nearly a quarter of that came from heavy vehicles – more now than from passenger ...