A CDL is a commercial driver's license, and specific driving schools are set up to teach people how to get their commercial driver's license. Drive semi tractor trailers, haul industrial supplies or run tankers with help from an ASE-certified mechanic in this free video on driver's licenses.
Expert: Tom Brintzenhofe
Bio: Tom Brintzenhofe has been a mechanic for more than 17 years.
Filmmaker: Reel Media LLC