You've probably noticed those giant flaps mounted on the backs of many semi-trailers you see on the highway. Here's what they're called, and what they're for.

As it turns out, that strange plastic scoop under a semi-truck is far more than just a quirky design element: It's part of a specific effort to make one of the most fuel-hungry vehicles on the ...

Updated: Feb 10, 2024 / 04:25 PM CST PIERRE, S.D. (KELO) — South Dakota law is silent on whether trucks must have mud flaps. A state lawmaker from Minnehaha County wants to change that.

Overall, mud flaps and splash guards make for a good investment that can benefit your car in the long run. You may be wondering which is best between the two.

SIOUX FALLS, S.D. (KELO) — Two votes in the House was enough to pass a bill requiring mud flaps on bigger trucks in South Dakota. House Bill 1212 passed 36-34 on Monday.

The next week, MVT Solutions ran three track tests on a set of aerodynamic mud flaps and we found that they did, in fact, save fuel. For the MVT fleet that equated to an annual savings of $275,000.