Rolls-Royce will begin field tests of a hybrid drive system for mining trucks in autumn 2026, aiming to cut fuel use and CO2 emissions by up to 30%. Power Systems’ order intake rose about 50% year-on-year in Q1, with a backlog of £7.3 billion at March’s end. Shares closed Friday at 1,218.26p, down 3.24% for the day. The company maintained its 2026 guidance for underlying operating profit and free cash flow.