The short simple answer is you do not need a cdl for a vehicle under 26001 lbs, air brakes or not. If you haul Hazardous material, you need a class c with a hazmat endorsement and you must take your road test in a truck with air brakes and pass the general knowledge test for cdl.
Definition of grovel for English Language Learners. : 1  to kneel, lie, or crawl on the ground. : 2  to treat someone with too much respect or fear in a way that shows weakness in order to be forgiven or to gain approval or favor.
verb (used with object) 1. to form a circle about; encircle; surround: He built a moat to encompass the castle. 2. to enclose; envelop: The folds of a great cloak encompassed her person. 3. to include comprehensively: a work that encompasses the entire range of the world's religious beliefs.