In the UK petrol cars emit 128g of CO2 per kilometre. In the US they drive bigger cars, for longer, so the carbon impact is that much greater. But cars, buses and motorcycles account for less than 10 percent of greenhouse gas emissions. Switching to electric could make a difference (unless of course the electricity is coal powered) but will it make a big enough difference, and are the objectives for Net Zero by 2050 really achievable? Phil Dobbie talks to Prof Steve Keen, and asks, are we lulling ourselves into a false sense of security when we think electric cars are a big part of the answer to climate change?

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