Of course, this only really pertains to the lack of mud flaps on modern cars. As anyone who has spent any time on the highway could tell you, they're still present on diesel engine-equipped ...

As of 2017, some 36% of all commercial trucks (Classes 3-8) in the United States rely on the newest generation of diesel engines — a 6% increase over 2016, according to the Diesel Technology ...

and with diesel at $4 per gallon, that equates to a $1,600 to $2,000 savings per truck. That’s a lot of money for simply choosing the right aerodynamic mud flap. Aerodynamic mud flaps also have ...

Mud flaps on cars aren’t as common a sight as they once were. Here’s what you need to know about mud flaps and why you don’t see them as much anymore.