How to put a human on Mars: How to make fuel
22 July 2013 Last updated at 15:48 BST
Dr Simon Foster of Imperial College London conducts experiments to show how we might generate fuel from Martian ice.
He shows how we may release ice from beneath the Martian regolith, then electrolyse the water to generate oxygen and hydrogen.
Video journalist: Neil Bowdler. Music: Spiro.