Ключевые слова: agriculture, air, aircraft, airplane, alternative, alternative energy, aviation, bio, biodiesel, biofuel, carbon, carbon neutral, clean, decarbonization, decarbonizing, eco, energy, environment, environmentally friendly, ethanol, field, flight, fly, fuel, green, industrial, industry, low, natural, plane, power, renewable, shadow, silhouette, sustainability, sustainable, symbol, technology, transport, transportation, vacation, zero, zero emission, zero emissions,