ScienceGlobal issuesAre fossil fuels energy-efficient?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issues02/10/2023February 10, 2023Before fuel arrives at gas stations, the oil has been pumped 2km up to the surface and transported via pipeline or ship to a refinery, where it's heated to over 400°C and chemically separated. A process that involves a significant loss of energy. https://p.dw.com/p/4NJtPAdvertisement