Ask Honest John

Most recently answered pollution questions
It was recently reported that you need 'anti-pollution' stickers, which cost £3.70, when driving in Paris or risk a fine of €135. Do I need them for going to drive to Paris next week and how can I get...
I'm told that certain French cities now require cars to display a sticker stating their official emission values. Apparently lots of Brits are being fined by the French cops for failure to comply. Is this...
It is difficult to read any media article at the moment which doesn't demonise diesel engines and their effect on air quality. As a driver of a BMW 320d, bought new in good faith in 2015 (Euro5 compliant),...
Is there a good environmental and/or financial reason for having stop/start on a car, either petrol or diesel powered?
 

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