Provides an overview of the different pathways to produce Synthetic Natural Gas • Covers technological, and economic aspects of this Synthetic Natural Gas • Details the most popular technologies and state-of-the-art of SNG technologies while also covering recent and future research trends • Covers the main process steps during conversion of coal and dry biomass to SNG: gasification, gas cleaning, methanation and gas upgrading • Describes a number of novel processes for the production of SNG with their specific combination of process steps as well as the boundary conditions • Covers important technical aspects of Power-to-Gas processes