Due to the limited resources of the fossil fuels, renewable energy sources like biogas or hydrogen should be considered in the nearest future. MOFs (Metal-Organic Frameworks) – a class of highly porous crystalline hybrid inorganic-organic solids with extraordinary high specific surface area and porosity are promising materials for the storage separation and delivery of these energy carriers. In order to design the MOFs with the target storage capacity, the mechanism of the gas storage should be studied in details. Recently we designed a MOF material, namely DUT-49, with a methane storage capacity that exceeds by far any porous materials reported yet. Herein, the detailed mechanism of the methane storage will be investigated using combined adsorption of CD4 and coherent neutron scattering techniques.