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

[Stay on top of transportation news: Get TTNews in your inbox.] When it comes to spec’ing, getting the best fuel economy is about building a tractor with all the right pieces. Even with the best basic ...

When contemplating new heavy rescue apparatus, one of the first design criteria is to determine the length of the rescue body, followed by the preferred body material of either aluminum or stainless ...