Itaipu Dam
Brazil is the world's tenth largest energy consumer with much of its energy coming from renewable sources, particularly hydroelectricity and ethanol; the Itaipu Dam is the world's largest hydroelectric plant by energy generation, and the country has other large plants like Belo Monte and Tucuruí. The first car with an ethanol engine was produced in 1978 and the first airplane engine running on ethanol in 2005.