and personal vehicles. the only remaining original component, a rusted body. its original color concealed under decades of poorly executed paint jobs. >> they have chevys from 1960s, they are running with nissan engines. honda engines. rear ends from trucks, they're just putting things together to make it work. >> some owners who refused interviews told us they spend years on their cars, asking friends, traveling to the united states to return with parts from miami. there's a saying about this place. a cliche that cuba is frozen in time. in many cases it is. that's such an over-generalization of what's happening here. cuba is changing, for many they say too slowly. >> the cuban government has eased some import controls, though with a u.s. barring still in place and a state-controlled economy, there are still challenges to selling in cuba. >> there's a lost things that have to take place for us to do