Fuel may undergo a combustion.Logical formLearned from82 sentences. A fuel may be consumed.Logical formLearned from82 sentences. A (fuel system) can be new for a model.Logical formLearned from82 sentences. A (fuel system) may undergo a (certification process).Logical formLearned from82 sentences. (Fuel prices) may pertain-to a country.Logical formLearned from81 sentences. A (rocket fuel) can be toxic.Logical formLearned from81 sentences. Improvements can be in (fuel economy).Logical formLearned from81 sentences. A fuel can be subsidised.Logical formLearned from81 sentences. Water can be as fuel.Logical formLearned from80 sentences. A (fuel efficiency) may pertain-to an aircraft.Logical formLearned from80 sentences. (Fuel sources) can be renewable.Logical formLearned from80 sentences. Increases can be in fuel.Logical formLearned from80 sentences. Supplies can be constituted-of-or-filled-with nuclear fuel.Logical formLearned from80 sentences. A (fuel cycle work) can be sensitive.Logical formLearned from80 sentences. A fuel may pertain-to a nation.Logical formLearned from79 sentences.