Njengoba besilindele, kulo nyaka ithimba le-Gorbea elivela e-Mendizabala Institute lizothamela uhlelo lokuqala lwe- i-eco-city, okuzokwenzeka ngezinsuku Ephreli 13, 14 no-15 2012 kusekethe yasemadolobheni ngokusebenzisa inhloko-dolobha. Lo mcimbi uzama ukukhombisa amathuba kanye nobubanzi bamandla avuselelekayo emkhakheni wezimoto, ngendlela yeShell Eco Marathon esizobe sikhona kuyo.
I-Madrid EcoCity, iyona umncintiswano wokuqala wamadolobha wamazwe ngamazwe eSpain. Lona umncintiswano wokonga amandla lapho owinile yilowo ohamba ibanga elikhulu ngangokunokwenzeka ngelitha elilodwa likaphethiloli. Izilinganiso zizoba i-km ngelitha ezimotweni ezivuthayo kanye ne-km/KWh ezimotweni zikagesi. Kuzoba nezigaba ezimbili: i-urban concept kanye ne-prototypes.
Isamba sizobamba iqhaza Amaqembu ama-22: AmaPutukezi ama-4, amaNtaliyane ama-3 kanye namanye amaSpanishi. Kulezo zimoto ezingu-20, ezinhlanu zizoba ngophethiloli, ezine ne-Ethanol 95, ezine ne-hydrogen, izimoto eziningi zikagesi ezixhunywayo nezinye ezine ezizosebenza ngamandla elanga. Kuzoba khona udizili owodwa kuphela.
Sizobe sikhona nezindaba ezithakazelisayo emotweni yethu ukuze sizame ukuzithuthukisa, sifaneleke ngomphumela omuhle futhi sizuze ulwazi lwe- IShell Eco Marathon eRotterdam.