On this week's ClimateCast Tom Heap has exclusive access to Zero Petroleum, a producer of synthetic fuel.He catches a glimpse of a jet engine powered by e-fuel and speaks to the chemists about how they create an almost zero carbon fuel, without any oil and gas, made from only air and water.Tom meets Zero's creator Paddy Lowe, previously a Formula 1 engineer, to understand its possible role in the future of energy.Plus, Colin Walker, transport lead at the Energy and Climate Intelligence Unit, shares how he thinks synthetic fuel compares with the electrification of transport.Producer: Emma Rae WoodhouseEditor: Paul Stanworth