It seems an odd time, with parliament in recess, to start a debate about the future of diesel and petrol-powered cars and vans (https://www.theguardian.com/politics/2017/jul/25/britain-to-ban-sale-of-all-diesel-and-petrol-cars-and-vans-from-2040). This appears mainly a response to the well-established detrimental effects of poor air quality on human health (especially in inner cities and near motorways). What is unclear is whether use of diesel by shipping (air quality is often poor at cruise and freight ship ports), diesel trains, buses and heavy goods vehicles (not to mention aircraft) will also be phased out. What about vintage and veteran cars? Waiting until 2040 might well be challenging in terms of making a transition to electrically-powered vehicles (along with the difficulties of recharging them efficiently) but it's rather a long time to wait for the needed improvement in air quality.
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