Ключевые слова: air quality, carbon footprint, cargo, climate change, clouds, commerce, conservation, crisis, diesel, dramatic, driving, ecology, emission, energy, environment, environmentalism, exhaust, fossil fuels, freight, fuel, gas, global warming, health, heavy, highway, impact, industrial, industry, infrastructure, journey, logistics, machinery, nature, outdoor, policy, pollution, regulation, road, sky, smoke, speed, sustainability, tanker, trade, traffic, transport, transportation, travel, truck, vehicle,