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Automotive News & Views Are automobiles a major cause of global warming?
6849 messages, Last post on Nov 27, 2009 at 1:15 PM
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Replying to: tpe (Mar 06, 2007 8:02 am) I never said man can't. The problem I have with the whole issue is the presupposition that man is responsible for MOST of global warming, that the effects of global warming are all BAD, that if ONLY man changed his habits global warming wouldn't occur, and that man CAN change with little to no economic hardship. That's a lot to swallow.
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as to what really is causing global warming? I'm not so sure man has the technology to accurately determine just what does cause global warming. So this topic is just one of frustration. We can talk about our cars, bluetooth, Rockford Fosgate 650 watt car stereo's with subwoofer's in the trunk, highway memorials, what's causing our car to pull to one side, etc., but talking about global warming and just how much cars add to it may be like finding a needle in a proverbial haystack, eh?
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Replying to: iluvmysephia1 (Mar 06, 2007 12:00 pm) |
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Replying to: rorr (Mar 06, 2007 11:43 am) Since we haven't seen the full effects of GW, how do we know it's not BETTER than what we've experienced? It would be different, for sure. But what if we were experiencing global cooling instead? Would that be OK? So... if cars have a major responsibility in effecting global warming, then if we decrease our use, are we sure we won't be worse off?
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Replying to: kirstie_h (Mar 06, 2007 12:36 pm) |
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"The whole GHG movement is anti-car, anti expansion and anti-people." I would certainly consider that a pretty extreme and unsubstantiated statement. Certainly not one that can generate anything other than a "sez you" kind of response. So, what is the basis for that statement? Do you draw any sort of line between supporting mass transit and being anti-car? I know a lot of gearheads that still ride the bus or subway. I actually find the technologies being developed to lower emission very interesting. How long do you figure before we're dealing with diesel hybrids that get in excess of 150 mpg. I expect to see it and I'm not a young guy. Meanwhile, I'd love to see scientists on TV rather than actors patting each other on the back. Beats CSI:Muncie . |
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Replying to: gagrice (Mar 06, 2007 1:24 pm) To what extent are horses contributing to global warming? Went to Mackinac Island in northern Michigan in July many years ago. No cars (except police) are allowed on island. Only horses. On some streets the smell/stench was unbearable. Perhaps the energy from sun in combination with changes in earth's magnetic fields is causing warming. Believe that North magnetic pole has been shifting at an unusual rate in recent years. Does this have some effect on additional sun radiation reaching earth? |
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Why is global warming bad? The medieval warm period was one of the most prosperous times for the earth's people. The Vikings were farming in Greenland; wine was being produced in Britain. If things warmed up a little, we'd be able to grow more corn in North Dakota to make more ethanol. Besides, the rise in sea level is probably overstated (like so much else on the subject). Now, the little ice age, which ended only a couple of hundred years ago, >that< was something. Bottom line, climate is hugely complex and not even our fastest computers can accurately model it. And cars certainly have some effect on climate, but my guess is that it's small. In the next decade or two China and India will largely negate anything we do in the US anyway, so keep on truckin'! |
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the Chinese automotive market is gonna go bonkers! GM was very, very smart to buy out Daewoo Motors in 2002. Look at the factories they now have in S.Korea. And they are partnering with Shanghai Motors and Suzuki as well. They can always pop a GM label on an Asian make and import into China and make a bundle. I wouldn't buy a GM, Ford or DCX product, though. I will buy a Japanese and/or South Korean car, though, and I already have(bought two Kia's...I'm working on the Japanese purchase as I type this). But this topic is on automobiles and whether they are having a global effect on global warming. I would say they do but it's negligible. I mean, don't lawnmowers produce more carbon monoxide than cars...I mean...a 3hp Briggs and Stratton internal gas combustion lawnmower engine produces more biocarbons by far than an automobile. 20 to 1 is one figure I can sort of recall. 20 times more pollution from a lawnmower than an automobile. How can a person quantify this, though? I mean, look at how many cars are on the road in the U.S. alone! |
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Replying to: kirstie_h (Mar 06, 2007 12:36 pm) That's an interesting question. Let's say the bulk of the scientific community was stating that, instead of warming, we were in a rapid cooling cycle and the only thing we can do to prevent another ice-age is produce as much GHGs as possible. Given this scenario would the same people be supporting or refuting the connection between man made GHGs and the earth's temperature? I personally think you'd see a lot of people switching sides. In other words some people's opinions aren't solely based on the science but a predisposition to side with or against environmentalists. |
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