Assessing the future of second-generation bioethanol by 2030 – A techno-economic assessment integrating technology learning curves

•Techno-economic assessment framework including technology learning.•Calculation procedure for minimum learning rates to reach economic feasibility.•Economic feasibility of corn stover bioethanol plants in Belgium studied by 2030.•Single- and multi-component learning curves studied for different component types.•Minimum learning rates for large-scale plant close to typical literature values.