Fuel turf is a term used to describe the combination of two different types of energy sources. The first source is fuel, which is typically derived from fossil fuels such as oil, gas, and coal. The second source is turf, which is typically derived from renewable sources such as wind, solar, and biomass. The term 'fuel turf' is often used to describe the combination of these two sources in order to create a more sustainable energy system. The crossword solution for the term 'fuel turf' is PEAT, which is an acronym for 'Plant Energy Alternative Technology'. PEAT is a type of biomass fuel that is made from partially decomposed plant material, such as grass, leaves, and wood. It is a renewable energy source that can be used to generate electricity or heat.