[Class : 4] Electrical Energy, Motor Fuels, Biofuels, Alcohol [Fuel], Biomass Fuel, Coal Dust [Fuel], Charcoal [Fuel], Ethanol [Fuel], Fuel Gas, Fuel Oil / Combustible Oil, Fuel With An Alcohol Base, Fuel, Hydrogen Fuel, Lighting Fuel, Mineral Fuel, Energy (Electrical ), Electrical Energy From Renewable Sources, Electrical Energy From Solar Power, Electrical Energy From Wind Power, Electrical Energy From Non Renewable Sources, Gasoline, Coal Gas, Natural Gas, Landfill Gas, Propane Gas, Gas [Fuel], Gas Fuels, Liquid Gas, Liquefied Gas, Gas (Producer ), Oil Gas, Petroleum Gas, Shale Gas, Gas Cartridges, Producer Gas, Fuel Gas, Gas Oil, Combustible Gases, Gaseous Fuels, Industrial Gasoline, Gasoline [Fuel], Gasoline (Fuel), Synthetic Gas [Fuel], Solidified Gas [Fuel], Gas (Solidified ) [Fuel], Solidified Gas [Fuel], Gas (Solidified ) [Fuel], Synthetic Gas [Fuel], Gas For Lighting, Lighting (Gas For ), Gas Mixtures (Fuel), Liquid Petroleum Gas, Liquefied Petroleum Gases, Solidified Gases [Fuel], Solidified Gases Being Fuels, Solidified Gases Being Fuel, Gases For Flame Heating, Gas Oil For Domestic Heating, Gas Oil For Industrial Heating, Gases For Use As Fuel, Gases For Use In Heating, Gases For Use In Cooking, Gases For Use As Fuels, Gases For Use As Illuminants, Gases For Use In Lighting, Liquefied Gases For Driving Motor Vehicles, Butane Gas For Use As A Fuel, Oxygen Liquified Hydrocarbon Gas For Use In Torches, Butane Gas For Use As A Household Fuel, Propane Gas Sold In Cylinders For Use In Torches, Liquefied Petroleum Gases To Be Used In Motor Vehicles, Liquefied Petroleum Gases To Be Used For Industrial Purposes, Liquefied Petroleum Gases To Be Used For Domestic Purposes, Wood Briquettes, Briquettes (Wood ), Briquettes Of Wood, Wood Pellet Fuel, Wood Heating Pellets [Fuel], Wood For Use As Fuel, Wood Chips For Use As Fuel,