Cars and trains use charcoal instead of gasoline as motor fuel in Brazil

MS Man teaching free course to drivers, drawing on board / CU male and female drivers getting instructions / CU rear shot of instructor teaching, drawing on board / CU drivers listening to instructor / MS instructor drawing on board / MS man demonstrating charcoal engine on back of car / CU hand pointing out engine flow / CU man placing charcoal in container on back of car / VS charcoal-driven car running in street, burner on trailer / MS car with burner on trailer parked along street, man talking to driver inside car / MS loading train reservoirs / CU MS man putting bag of charcoal into container / CU fuel / MS man opening valve by the side of train / MS passengers with luggage on platform next to train / MS train departs station, moves toward and past camera, people on platform waving / POV train moving on track, pan to engineer at the controls / Note: exact day not known