![Ricardo Azevedo poses next to his Honda NX 200 motorcycle, which he has converted so that is is powered by water, in front of the polluted Tiete River filled with foam in Ricardo Azevedo poses next to his Honda NX 200 motorcycle, which he has converted so that is is powered by water, in front of the polluted Tiete River filled with foam in](https://c8.alamy.com/comp/2CRMRT4/ricardo-azevedo-poses-next-to-his-honda-nx-200-motorcycle-which-he-has-converted-so-that-is-is-powered-by-water-in-front-of-the-polluted-tiete-river-filled-with-foam-in-salto-northwest-of-sao-paulo-brazil-august-6-2015-the-sao-paulo-civil-servant-built-the-motorbike-which-can-cover-up-to-500-kilometres-311-miles-fuelled-by-just-one-litre-of-water-dubbed-moto-power-h2o-the-bike-is-powered-by-the-process-of-electrolysis-which-breaks-the-water-molecule-down-into-its-constituent-elements-picture-taken-august-6-2015-reutersnacho-doce-2CRMRT4.jpg)
Ricardo Azevedo poses next to his Honda NX 200 motorcycle, which he has converted so that is is powered by water, in front of the polluted Tiete River filled with foam in
![Ricardo Azevedo collects water from the polluted Tiete River before he filling the tank of his Honda NX 200 motorbike with it in Salto, northwest of Sao Paulo, Brazil, August 6, 2015. Ricardo Azevedo collects water from the polluted Tiete River before he filling the tank of his Honda NX 200 motorbike with it in Salto, northwest of Sao Paulo, Brazil, August 6, 2015.](https://c8.alamy.com/comp/2CJGBXD/ricardo-azevedo-collects-water-from-the-polluted-tiete-river-before-he-filling-the-tank-of-his-honda-nx-200-motorbike-with-it-in-salto-northwest-of-sao-paulo-brazil-august-6-2015-the-sao-paulo-civil-servant-built-the-motorbike-which-can-cover-up-to-500-kilometres-311-miles-fuelled-by-just-one-litre-of-water-dubbed-moto-power-h2o-the-bike-is-powered-by-the-process-of-electrolysis-which-breaks-the-water-molecule-down-into-its-constituent-elements-picture-taken-august-6-2015-reutersnacho-doce-2CJGBXD.jpg)
Ricardo Azevedo collects water from the polluted Tiete River before he filling the tank of his Honda NX 200 motorbike with it in Salto, northwest of Sao Paulo, Brazil, August 6, 2015.
![Ricardo Azevedo rides his Honda NX 200 motorbike, which he has converted to be powered by water, in Salto, northwest of Sao Paulo, Brazil, August 6, 2015. The Sao Paulo civil servant Ricardo Azevedo rides his Honda NX 200 motorbike, which he has converted to be powered by water, in Salto, northwest of Sao Paulo, Brazil, August 6, 2015. The Sao Paulo civil servant](https://c8.alamy.com/comp/2CK2T8H/ricardo-azevedo-rides-his-honda-nx-200-motorbike-which-he-has-converted-to-be-powered-by-water-in-salto-northwest-of-sao-paulo-brazil-august-6-2015-the-sao-paulo-civil-servant-built-the-motorbike-which-can-cover-up-to-500-kilometres-311-miles-fuelled-by-just-one-litre-of-water-dubbed-moto-power-h2o-the-bike-is-powered-by-the-process-of-electrolysis-which-breaks-the-water-molecule-down-into-its-constituent-elements-picture-taken-august-6-2015-reutersnacho-doce-2CK2T8H.jpg)