A Chinese Long March-12 rocket launched last week used a new super fuel that boosted the rocket’s payload capacity by 10 per cent, according to its developer. As China expands its role in space with a series of ambitious lunar missions and puts growing numbers of commercial satellites in orbit, demand for larger payloads is increasing. Instead of designing bigger, more expensive airframes, The Beijing Aerospace Test Technology Research Institute, a subsidiary of the China Aerospace Science and...