Notable, space rockets still need conventional fuel until today

Notable, space rockets still need conventional fuel until today. They have not been able to use more advanced technology. Video described as “Starship 2050“ When they built space rockets in such dimensions, they must: 1. Advance a new technology 2. Restrict conventional fuel 3. Resources not endless. 4. Possible one of the reason because they pushed E-cars for ordinary ones. Sci-fi art by Rui Huang Keep always informed Subscribe to @Intelsky Source: Intelsky ?