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How can we make travel greener?

Can we reduce CO₂ from cars, trucks and motorbikes?

About a quarter of carbon emissions come from transport, such as cars, trucks, buses, motorbikes and aircraft. It’s hard to imagine modern life without these vehicles, but as well as having a large carbon footprint, they also produce other types of pollution. Are electric vehicles the answer? 

In this episode, Scarlett discovers what an internal combustion engine does – and why the pollution they produce damages the atmosphere. Meanwhile, Jeriah discovers electric cars are a lot older than people think...