https://www.youtube.com/watch?v=bOUjXNheBZA

Listen to all that glorious engine noise. Beautiful isn't it? Now, what if we told you that all of it was carbon-neutral? You'd be right to doubt us – you’re looking at a couple of petrol-guzzling supercars hooning around the Top Gear Test Track. However, these are running on synthetic fuels, which when burned, emit only the CO2 that was extracted to make them in the first place. Still confused? Allow Chris and Paddy to be your guides… Watch the full episode of #TopGear tomorrow at 8pm on BBC One and BBC iPlayer Subscribe to Top Gear for more videos: http://bit.ly/SubscribeToTopGear MORE ABOUT TOP GEAR:
Want to watch a bit of Top Gear on the internet? Welcome to the most comprehensive collection of official clips you'll find on YouTube. Whether you're searching for a caravan challenge, Ken Block in the Hoonicorn, cars versus fighter jets, Stig power laps or the latest Chris Harris Drives, you can find all the iconic films here. Want to share your views with the team? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register This is a commercial channel from BBC Studios. Service & Feedback https://www.bbcstudios.com/contact/contact-us/

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