David, if I remember correctly you ride in Tennessee? If not disregard this. If so they adopted the same classes as California. I'd hate to see you rely on the 30 mph and get pulled over. You can have a speed pedelec of 28, but without throttle.
"Electric Bicycles
TCA 55-8-301: Part definitions.
As used in this part:
(1) "Class 1 electric bicycle" means an electric bicycle equipped with a motor that provides assistance only when the rider is pedaling, and that ceases to provide assistance when the bicycle reaches the speed of twenty miles per hour (20 mph);
(2) "Class 2 electric bicycle" means an electric bicycle equipped with a motor that may be used exclusively to propel the bicycle, and that is not capable of providing assistance when the bicycle reaches the speed of twenty miles per hour (20 mph);
(3) "Class 3 electric bicycle" means an electric bicycle equipped with a motor that provides assistance only when the rider is pedaling, and that ceases to provide assistance when the bicycle reaches the speed of twenty-eight miles per hour (28 mph); and
(4) "Electric bicycle" means a device upon which any person may ride that is equipped with two (2) or three (3) wheels, any of which is twenty inches (20") or more in diameter, fully operable pedals for human propulsion, and an electric motor of less than seven hundred fifty (750) watts, and meets the requirements of one (1) of the three (3) classes of electric bicycles defined in subdivision (1), (2), or (3)."
https://www.tn.gov/tdot/multimodal-...pedestrian-program/tennesse-bicycle-laws.html
It's also noted on the People For Bikes website.