Ключевые слова: background, barrel, blue, butane, chart, coast, concept, crude, dollar, economy, energy, euro, europe, export, finance, flame, fuel, gallon, gas, gasoline, global, growth, heat, high, home, import, increase, index, industry, lpg, market, methane, money, natural, oil, petroleum, price, prices, propane, rising, russia, safety, stock, technology, trade, up, us, usa, world,