The company said the concept features a 12V 2000 mining engine, together with an mtu EnergyPack battery system - as a result, it reduces emissions by up to 30%.

Rolls-Royce also said it had also simulated operations with a haul truck using a 16V 2000 engine  with an output of 1163 KW ,  as a replacement for a mtu 16V 4000 engine, with an output of 1865 KW.

 Alexander Richter, mining application engineer at Rolls-Royce said : "We envision equipping haul trucks with a combination of mtu diesel engines and batteries; our mtu EnergyPacks. The batteries are recharged by recuperating braking energy when going downhill. This stored energy is used to provide power to the loaded truck when going uphill. This allows us to replace the existing engine with a downsized one, leading to huge fuel savings and a meaningful reduction in CO2 emissions."

This replacement led to a reduction in CO2 emissions of 20-30%, depending on the topographic profile - all with identical performance to the conventional version of the truck, noted the company.

Rolls-Royce will also present its microgrid solutions for mining customers at the event.  

Scott Woodruff, head of Rolls-Royce's global mining business, said: " We will use MINExpo to discuss with the industry how we can help them reach these targets and achieve net zero emissions."

The company added that Rolls-Royce has a plan with sequential steps for the mining industry: from existing Tier 4 technology - which already reduces CO2 emissions by up to 6% compared to Tier 2 engines - to the use of sustainable fuels and new technologies, such as fuel cells and combustion engines running on hydrogen.