Rolls-Royce Power Systems Reduces Emissions by Switching to Sustainable Fuel for Engine Tests
(Rolls-Royce) Rolls-Royce operating key mtu engine test benches in Germany using hydrogenated vegetable oil (HVO) instead of fossil diesel; CO2 emissions reduced by 3,200 tonnes by end 2025; HVO burns cleaner: over 40% less soot, up to 8% fewer nitrogen oxides; mtu engines already power