I think you're missing the point - diesel is carcinogenic, petrol is not. The issue here is with carcinogens so petrol is environmentally-friendly compared to it. For example, my Seat Leon Cupra 280 with a 2.0-litre turbocharged petrol engine is less harmful to the people I drive past than a 1.2 TDI because it isn't emitting a substance that is scientifically proven to cause cancer. We can all point a finger at petrol not being tree-huggingly friendly but petrol is the only solution right now.
Is it fair to the consumer that they have to fork out for a new car? No. But they don't have to buy a new car, they can buy whatever petrol car they like (it'll still be cleaner than a diesel) - and like I said, there should be help from the Government to do so. And I'm sorry, but an outright ban on the sale of new diesels is the only solution and for diesel cars already in service a target needs to be set for them all to be off the road.
No, not missing the point just don't agree at all. Petrol is dirty as well containing carbon monoxide, Hydrocarbon (cancer causing), Nitrous Oxide (apparently petrol produce more as time goes by) so like I said give the consumer the incentive to migrate to alternatives rather than saying your not allowed your vehicle any more after 4 years or even improve filtration units within the engine.
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