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Old 11-23-2021, 11:41 PM   #1
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Diesels cleaner than hybrids

I guess some still have flashbacks and bad memories of the "emissions scandal" especially in the US where people tend to dwell on things a lot longer, but that was 6 years ago, and the cars involved were older still. Many studies now have concluded that many modern diesels are now cleaner than both petrol and Hybrid models too.

https://www.autoexpress.co.uk/opinio...ust-happen?amp

This recent report was aired on TV on Monday and found that hybrids emit higher levels of cancer causing VOC's, especially on cold starts.

https://www.google.com/amp/s/www.thi...s-diesels.html
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Old 11-26-2021, 09:42 PM   #2
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I thought they blew that up more than it warranted. I'd like to see more diesel options. I guess not enough consumers go for them to be viable here.
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Old 11-27-2021, 12:47 AM   #3
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No the US missed the boat a little with diesels, there's too much emphasis on switching to EVs now. We only have 8 years before ICE is banned from sale. Low fuel prices mainly kept diesel demand low your side of the pond. Fuel in the UK is now over $9 a gallon.
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Old 11-28-2021, 10:02 AM   #4
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I think part of it is that diesel is always more expensive than gasoline here. Better mpg but higher cost so very similar cpm.
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Old 11-29-2021, 11:47 AM   #5
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Quote:
Originally Posted by Draigflag View Post
I guess some still have flashbacks and bad memories of the "emissions scandal" especially in the US where people tend to dwell on things a lot longer, but that was 6 years ago, and the cars involved were older still. Many studies now have concluded that many modern diesels are now cleaner than both petrol and Hybrid models too.

https://www.autoexpress.co.uk/opinio...ust-happen?amp
Guess the author got to see the super secret results, cause the published results aren't matching the report.
https://www.greenncap.com/assessments/

They didn't beat the Yaris hybrid, but the Skoda, Seat, and Vovle diesels did do well. Which shouldn't be a surprise. Diesels can be clean. The cheaters just didn't want to spend the money for it, but now they are under closer scrutiny.
Quote:
This recent report was aired on TV on Monday and found that hybrids emit higher levels of cancer causing VOC's, especially on cold starts.

https://www.google.com/amp/s/www.thi...s-diesels.html
It was only on cold starts where the hybrids did worse. Being less volatile, there is less free volatile compounds to start with in diesel. Hybrids could be higher than petrols because they spin up the engine to a higher speed before firing; more unburnt fuel could be a result on start up. Then the hybrid group also included mild hybrids, which aren't different from a petrol on a cold start.

After that cols start, the diesel and petrol running emissions will be higher than the hybrid in most cases.
Quote:
Originally Posted by LDB View Post
I thought they blew that up more than it warranted. I'd like to see more diesel options. I guess not enough consumers go for them to be viable here.
It wasn't just about the higher emissions. It was about defrauding consumers, and unfair competition for other car companies. If VW hadn't cheated, we could have had Honda diesels years ago.

Quote:
Originally Posted by LDB View Post
I think part of it is that diesel is always more expensive than gasoline here. Better mpg but higher cost so very similar cpm.
Then the diesel option costs more, and most companies that offered a small diesel only had it in a more expensive trim.

It is our cheap fuel that keeps interest in efficiency choices low though.
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Old 12-02-2021, 07:39 AM   #6
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The only diesel vehicle I've ever owned is a 7.3L Ford F250 pickup truck. I bought it new in 1996 for hauling a travel trailer because it provided significant advantages over the gasoline engines at the time. I still have it, and it has proven to be a very reliable tow vehicle and yields excellent mileage for its size and duties.

However, if I were in the market for its replacement today, I believe I'd get the large gasoline 7.3L engine that Ford now offers. Keeping me from buying a new diesel today is the all the environmental equipment it needs, especially the particulate filter, that too often has caused problems.
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Old 12-02-2021, 10:23 AM   #7
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Gasoline cars have plenty of emission control equipment like diesels now, including particulate filters, have done for a few years. It's why in 8 years time, gasoline AND diesel cars are banned from sale, and even hybrids are only allowed a few more years after that. As soon as they start selling quick and reasonably priced EVs, I'm switching. At the moment, it's either quick and pricey, or slow and still pretty pricey.
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Old 12-03-2021, 11:34 AM   #8
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Yes, we're a generation away from realistic and reasonable prices for these vehicles.
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