Comments by "crazypj" (@1crazypj) on "How bad is Diesel?" video.

I always wondered about jet exhaust, it can't be good when your deliberately putting particulate in the atmosphere at 30¬80,000 feet
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I worked on construction equipment in the 1990's when PSP10 (10 micron particulates) was a 'BIG ISSUE' but almost totally ignored by companies who didn't need inspection for non road going equipment. It's always bothered me that the true cost of 'electric vehicles' is skated over. Just one large mining truck will burn through around 1,000 US gallons (~4,000 litres of diesel a day. The important thing is to keep them running as efficiently as possible but majority of mechanics will 'mess' with things to attempt to get more power (and a load of soot) Often drivers get paid 'by the load' and managers get ordered by 'higher up's' to increase production, Diesels work most efficiently with excess air, black 'smoke' means too much fuel but rarely a lot more power (soot in exhaust being burned usually results is a brownish grey smoke) As you said, there is a lot of misinformation and even worse, in my opinion, ignored and hidden facts
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@EngineeringNibbles I recently found out about a tyre wear particulate study in UK.(even a very quick internet search will find it) Seems EV's are really bad at 2.5 micron level as the battery packs make them heavy causing higher tyre wear, carbon and silicates are used in tyres
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