Diesel better for the environment?
ok, so I'm not a chemist or an exhaust emissions engineer or anything like that, but can somebody please explain to me how diesel is better for the environment than petrol?
It seems it's all about carbon emissions, or rather, CO2. Now, whenever I'm behind a diesel (be it a car, van, lorry or bus), when they accelerate they tend to leave a trail of thick black smoke behind them which can only be full of carbon. You don't get this with petrol cars (unless they're really old and knackered), so how can this be better?!
If somebody could explain this to me, I would be eternally grateful. Thanks.
Labels: diesel cars
posted by CherishedNumberPlates at
19:19
1 Comments:
A diesel does emit 15% more hydrocarbon per gallon burned over petrol, but the diesel typically runs 20-40% more efficiently offsetting this.
In short it puts out more carbon per quantity but burns a lower quantity.
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