The Canadian URBEE project proposes to build the URBEE 2 - and they plan to cross the US from east to west using just 10 gallons of fuel (38 liters).

Google calculated that it would take them 44 days and if they succeed they will make history to mark the first time such a vehicle has undertaken such a feat.

The plan will commence in two years' time with the help of the crowds. Check out the video below as they explain the project: