Fossil fuels may undergo a depletion.Logical formLearned from54 sentences. Fuel can be from a country.Logical formLearned from54 sentences. Fuel may be left.Logical formLearned from54 sentences. Some barrels can be constituted-of-or-filled-with (diesel fuel).Logical formLearned from54 sentences. A supply of (distillate fuel) may include (heating oil).Logical formLearned from54 sentences. Supplies can be constituted-of-or-filled-with (fuel oil).Logical formLearned from54 sentences. Bolts can be on an external (fuel tank).Logical formLearned from54 sentences. A spike can be in (fuel prices).Logical formLearned from54 sentences. Some tonnes can be constituted-of-or-filled-with heavy fuel.Logical formLearned from54 sentences. Hydrogen can be as a fuel.Logical formLearned from53 sentences. Sales can be constituted-of-or-filled-with fuels.Logical formLearned from53 sentences. (Fuel costs) can be high.Logical formLearned from53 sentences. Some fuel may be injected.Logical formLearned from53 sentences. (Fuel prices) may skyrocket.Logical formLearned from53 sentences. (Fuel prices) may remain high.Logical formLearned from53 sentences.