controls but with a state controlled economy, there are still challenges to selling in cuba. there s a lot of things that have to take place for us to do business. but again, this is an early stage. reporter: with that, these cars as much cuban as american so-called frankenstein cars. as for interest among american car collectors, rick drury writes these cars have been kept running for 50 plus years with very little resources available. they are not original, but they have a great story to tell. meanwhile, cuban auto enthusiasts continue to work to keep these cars running against the embargo and their government. i take care of him and i love him very much and i think just maybe he loves me too. reporter: a relationship far less complex than that between the u.s. and cuba. in havana, rich edison, fox news.