Ohio

Legality

Ohio defines Kei cars as mini-trucks:

(BBB) "Mini-truck" means a vehicle that has four wheels, is propelled by an electric motor with a rated power of seven thousand five hundred watts or less or an internal combustion engine with a piston displacement capacity of six hundred sixty cubic centimeters or less, has a total dry weight of nine hundred to two thousand two hundred pounds, contains an enclosed cabin and a seat for the vehicle operator, resembles a pickup truck or van with a cargo area or bed located at the rear of the vehicle, and was not originally manufactured to meet federal motor vehicle safety standards.

Bill regarding the operation of a mini-truck

If registered as a mini-truck, there is a restriction that they cannot go on roads with a speed limit over 35 mph

Vehicle inspection

Ohio does not require emission testing for vehicles older than 25 years old.

Title and registration

If a vehicle will be driven before a title is issued, then a temporary tag can be purchased from any local deputy registrar license agency or online at OPLATES.com.

• Bill of sale
• Foreign title or registration
• U.S. Customs Entry Form 7501, stamped and signed, verifying that Environmental Protection Agency (EPA) document 3520-1 or 3520-21 and the U.S. Department of Transportation (USDOT) Form HS-7 have been viewed and approved
• • When the military ships a vehicle for military personnel, the military personnel may have the CBP Form 3461 Entry/Immediate delivery in place of the Form 7501
• USDOT Form HS-7
• • If box #3 has been checked, a copy of a Bond Release Letter from the USDOT National Highway Traffic (NHTSA), verifying compliance with USDOT safety standards, must generally be presented.
  • Evidence that a timely certification of compliance was submitted to NHTSA (i.e., 120 calendar days from the vehicle’s date of entry into the country) may be used if NHTSA did not issue a Bond Release Letter or otherwise respond to the certification of compliance within 30 days of NHTSA’s receipt of such certification, provided all other requirements are met.
• An out-of-state vehicle identification number (VIN) inspection.  Inspections can be obtained at the following:
• • Ohio deputy registrar license agency
  • Participating Clerk of Courts Title Office
  • Participating Ohio licensed motor vehicle dealership
• English translations of all documents written in a foreign language; translations must be done by an accredited institution and submitted on that institution's letterhead
• Payment for title fees and sales tax on the purchase price if applicable (see sales tax rates by county)

Source for the registration process.