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MPG illusion

Discussions about the economic and financial ramifications of PEAK OIL

Re: MPG illusion

Unread postby Heineken » Sat 21 Jun 2008, 22:31:45

It will sort itself out, Coyote.

The human race is about to pass through a giant filter. Those who make it through will fashion a new way of living . . . a much less elaborate and probably shorter one.
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Re: MPG illusion

Unread postby patience » Sun 22 Jun 2008, 11:28:28

aahala2,
Thanks for improving my understanding of Jevon's Paradox. Now it makes sense, and describes what I see. Business maximizes profit by exploiting resources, proving the paradox. Individuals, though, can profit by minimizing their use of resources, by reducing costs.

For most of my life, I have tried to get the most for my money, and wondered at those who do not. When my relatives buy very ostentatious cars, clothing, etc., that they can ill afford, I think of it as a tax on their lack of understanding, or misplaced priorities.

Those spending priorities were set by careful ego-manipulation done by astute advertisers, who now use the misunderstood MPG illusion to continue to empty the pockets of the gullible.

A turning point in my life long ago, was reading Vance Packard's book, "The Satus Seekers", detailing the selling of bigger cars to blue collar Americans by selling cars as status symbols. Since reading that, the whole scam of advertising is disgustingly transparent. How else could they sell automatic electric everything on cars? Bragging rights, pure and simple, disguised as "comfort", "convenience", "performance", "luxury", ad nauseum.
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Re: MPG illusion

Unread postby Heineken » Sun 22 Jun 2008, 13:26:58

That says it nicely, Patience.

But some blame also rests with those blue-collar workers you speak of. They had the same opportunity as you to turn their backs on all the nonsense.

(Actually white-collar workers, with whom I am more familiar, having been one of them, made similar mistakes.)
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Re: MPG illusion

Unread postby patience » Sun 22 Jun 2008, 17:30:05

Heineken,
Well, I was a white collar worker, too, and was derided regularly for my thinking. I haven't bothered to go look up those people. I'd only find a host of excuses and sour grapes.

Yes, we all had the same chances. But advertising IS brainwashing. I believe that the only reason my kids aren't rabid consumers is that my wife taught them early on that if products were any good, advertising wouldn't be needed. And, too, when I was tired of being badgered about breakfast cereal with toys in it, I took the TV out and shot the damned thing.
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Re: MPG illusion

Unread postby MyOldTDiIsStillGoing » Sun 22 Jun 2008, 18:01:56

Purchasing my TDi in early '98, I too was a long commuter of 45 miles O/W so I did the MPG test and payback of the different MPG. Most people still don't understand math, but it was simple to calculate. As I get 42MPG with it today, I have people say, trade it in for a motorcycle that gets 60MPG. Still that math problem.

What I did in '98 was budget myself for $100/month for petro consumption. Granted, I used less than that, but it was a baked in adjustment for road trips and such. Oh, any surplus went into savings and investment.

At $1.25/gal for diesel then, I evaluated at that time if it would go to $3/gal, what would the impact be. I could adjust very easily as prices bounced around.

So today, 10 years later, I am fortunate that I have only a 15 mile commute O/W. And the budget is still $100/month which now the road trips are gone.

Yes, it was a great car for road trips and those days are done. But the budget is still safe and I now just have to listen to people cry over something they should of prepared for 20 years ago.
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Re: MPG illusion

Unread postby Heineken » Sun 22 Jun 2008, 21:52:33

$this->bbcode_second_pass_quote('patience', 'H')eineken,
Well, I was a white collar worker, too, and was derided regularly for my thinking. I haven't bothered to go look up those people. I'd only find a host of excuses and sour grapes.

Yes, we all had the same chances. But advertising IS brainwashing. I believe that the only reason my kids aren't rabid consumers is that my wife taught them early on that if products were any good, advertising wouldn't be needed. And, too, when I was tired of being badgered about breakfast cereal with toys in it, I took the TV out and shot the damned thing.


It's hard to say just where the blame lies, Patience, for our stupendous mess. It's sort of a chicken-and-egg question.

No, I don't miss the white-collar bunch either. What an artificial world they occupy, from the roles they play to the buildings they sit in to the "work" they do. I did everything I possibly could to get away from them as soon as possible.
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Re: MPG illusion

Unread postby Bman4k1 » Tue 24 Jun 2008, 14:29:38

$this->bbcode_second_pass_quote('MrBill', 'I') have no problem at all with 6 litres per 100 km, but when I post on peak oil I always have to convert that into miles per gallon, so that the widest audience possible understands the terminology. 39.43 mpg. About what an average new sedan with a 1.6 litre, 4-cylinder, manual transmission gets here in Europe without giving up comfort or performance.

coyote wrote:
$this->bbcode_second_pass_quote('', 'I') found this a very interesting study on gains in fuel efficiency. Basically, it says that modest-seeming efficiency gains in lower-mpg vehicles actually adds up to a lot more fuel gallons saved than does apparently dramatic efficiency gains in higher-mpg vehicles. In other words, the diminishing returns law here applies. This is made clear by thinking in terms of gallons per mile instead of miles per gallon.


Sure. What matters is the efficiency gains for the 90% of the fleet that gets poor mileage. The efficiency gains of the top 10% are diluted by losses elsewhere. So when industry tries to water down average CAFE standards it makes a huge negative impact overall. Especially when we know 40 mpg is easy to achieve, and not some far off distant prospect as the auto manufacturers in the US would have us believe.

The Unholy Trinity: Detroit-Houston-Washington


How do you convert l/100 km to mpg? I was born in the l/100km so Im used to talking in terms with that. But I wouldn't mind knowing how to convert.

My car gets 7.9l/100km in city and 6.2l/100km driving long trips.
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Re: MPG illusion

Unread postby Cologne » Tue 24 Jun 2008, 19:19:03

$this->bbcode_second_pass_quote('MrBill', '')$this->bbcode_second_pass_quote('Heineken', 'P')eople with better-mileage vehicles will tend to drive more miles.

Either they will use much of the "saved" gasoline, or someone else will.

Jevon's paradox.

I have a guzzling F-150 4 x 4 but I drive it only 4500 miles per year. My "mileage" is fabulous.


I do not doubt the 'theoretical' underpinnings of Jevon's Paradox, which is ironically just supply and demand analysis for non-economists, engineers in particular, but to be honest I think the theory has quite a few holes in it as commonly interpreted (or misinterpreted).

I do not drive more just because gas is more or less expensive. I have a limited budget. Gasoline is an expense. Therefore, I minimize my expense, no matter what the cost. You do it by driving only 4500 miles per year. Someone else might reduce that expense by downsizing to a smaller, more efficient car. Unless you're talking about driving for recreation or entertainment value then miles traveled does not really enter in the picture.

As a cost of production energy costs or transport costs in particular are a cost of doing business. They need to be optimized, not minimalized, in order to achieve maximum financial profitability. But optimalization is still a limitation to demand. Businesses do not drive farther than they have to just because energy is cheap.

Whether you are an individual or a business transport fuel is a cost. If you consume it you either have less discretionary spending for other purposes or lower profits to distribute to shareholders or re-invest. Either way it makes sense to reduce non-core energy consumption. High energy prices just encourage that behavior.

What we are really talking about is non-core demand. Recreational driving, driving a larger vehicle for reasons of status or safety, living farther from work in order to buy a better home, etc. They are a trade-off between the cost of transport fuel and 'utility'. Utility is simply convenience and/or prestige. The enjoyment the consumption of a product brings us.

As economic reality bites the perceived value of spending more on fuel versus on food and other good and services decreases. We try to reduce fuel expenditures to buy other things. Or we reduce consumption other things, so that we can keep driving. Both result in demand destruction.

Jevon's Paradox states that whatever energy you are not using someone else is using. Well, that applies to every good and service in the economy. As the price of any good decreases then potential demand increases. If something is free then we can use it without any thought to having to pay for it. Visit an all you can eat buffet sometime and look at what people take on their plates versus what they consume. Shocking and somewhat gross.

However, potential demand and the ability to pay are not the same. There may be more supply than demand, but if the price is too high then potential demand is not satisfied. There may be a great demand for single-dwelling homes close to schools, parks and hospitals in quiet residential areas near workplaces, but there is a shortage of those homes. And a family's ability to pay for such a home is limited by their disposable income.

Potential demand is quite a bit higher than actual supply. Prices can decrease up to a point, but they reflect the cost of land and the replacement cost of the house itself. That is the floor. It is not an absolute floor price, but for the sake of immediate demand and prompt supply it as good as one. Extra supply in the form of new homes will only be brought to market as it becomes profitable for the builder or developer. If you have ever seen an empty lot in a city that is supply waiting for demand to catch-up to price.

So as an individual, company or nation it certainly makes economic sense to conserve energy and reduce that cost. Those savings can then be applied against other consumption and/or investment in productive assets in the future. But before you cut me off not all investments in productive assets use the same energy as saved. Although one can use those savings to buy a larger vehicle and live farther away from work again they can also be used to live closer to work and to walk. Although those savings can be used for building more freeways they can also be used to electrify railways.

The energy will get used someplace at sometime, but using 31 billion barrels of oil a year is not the same as using 31 billion over ten years. Using it to drive to Disneyland is not the same as using it to improve your infrastructure, so that it is more energy efficient or even (Holy Grail) energy self-sufficient. Reality, of course, is always different than theory! ; - )


Bill,

Great response, although being of the social science field I understood relatively little besides the basics. I would sure like to hear your thoughts on how an economy works. In particular I am fascinated by the idea of wealth...I am just tickled by the idea that a wealthy person in some given economy has basically convinced more folks to GIVE him/her money in exchange for a service or some goods. Thier "wealth" is then a product of his accumulation of cash or goods that are worth cash in excess of what he/she pays out to others for goods and services! What a concept! My assumption of course is that an economy is simply an exchange of goods, services and cash. And the extent to which a consumer of services wishes to give up their labor, cash or goods in return for something else is just, well, I suppose, a reality. I suppose that by association I am also fascinated by poverty in much the same respect. Of course, other variables begin to come into the equation and one can see (hopefully) that an economy (any economy) is not simply a "blind" exchange of goods, services, and labor? Preferences, prejudices and justice binds and gunks the machinery of the ideal "economy"? I would assume the latter is true but I can't bring myself to believe that others might think my assertion is false? Penny (pun intended) for your thoughts.
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Re: MPG illusion

Unread postby Heineken » Tue 24 Jun 2008, 22:41:12

I agree that Bill's response was nothing short of fabulous. I really admire a logical mind, and Bill has one.

However, I disagree instinctively with his argument, albeit more simplistically.

People will always consume as much gasoline and diesel fuel as is available. And that's exactly what happens. There is no 10-year delay. The world consumes essentially all the fuel that comes onto the market. As soon as it is available, it is purchased and burned. As supply continues to dwindle and population and demand to increase, the urgency and alacrity of this relationship tighten ever more.

Conservation and efficiency efforts are, in effect, a shell game. The little ball gets shifted dextrously around, but it is still there under one of the moving shells, itself unchanged.

Perhaps Bill's arguments could have applied a decade ago, when there was still a reasonable margin between supply and demand. But the margin is gone and there is no way of getting it back, not when you factor in human nature, human desperation, and our stupendous incompetence in dealing with this ultimate crisis.
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Re: MPG illusion

Unread postby cube » Wed 25 Jun 2008, 01:26:05

$this->bbcode_second_pass_quote('Heineken', 'C')onservation and efficiency efforts are, in effect, a shell game.
agree

here's the cube explanation of why we can't "energy efficiency" our way out of this mess.
Suppose consuming 1 unit of energy creates 10 units of economic wealth.
As the energy crunch hits we'll eventually be forced to only use half as much == 0.5 units of energy.
Can 0.5 units of energy create 10 units of wealth through efficiency gains?
If yes then why didn't we start with 1 unit of energy to create 20 units of wealth?
Society always wishes to maximize wealth so the fact that we didn't start off with a 1 to 20 ratio is proof that it cannot be done.
Therefore it is impossible to maintain economic wealth with diminishing energy consumption.
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Re: MPG illusion

Unread postby lper100km » Wed 25 Jun 2008, 02:49:48

$this->bbcode_second_pass_quote('Bman4k1', '
')
How do you convert l/100 km to mpg? I was born in the l/100km so Im used to talking in terms with that. But I wouldn't mind knowing how to convert.

My car gets 7.9l/100km in city and 6.2l/100km driving long trips.


1l/100km is equivalent to 236.59 mpg (US gall)

Your city driving netts you 29.9 mpg and your hiway driving gets you 38 mpg
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Re: MPG illusion

Unread postby MrBill » Wed 25 Jun 2008, 03:30:07

The reason that Jevon's Paradox fits so nicely with the steam engine powered by coal analogy is that there was a demand to expand rail transport because it represented an efficiency gain over other modes of transport - especially for freight - and there was a lack of infrastructure. So improvements in steam engine technology were accompanied by a massive rail building effort to meet an existing need.

By comparison N. America has been losing miles of railway track for generations despite our diesel-electric locomotives being more energy efficient than coal fired steam engines. Actually I read that the latest models of steam engines to come out in the 1950s were just as efficient as the new diesel-electrics, but the advantage of diesel-electrics is that you can string several of them together for more pulling power as well as they can be operated by a much smaller crew.

So it was not just energy efficiency per engine, but scalability and labor costs. So even as coal prices fell in real terms making many mines unprofitable coal did not find its way back into steam engines. Of course, going forward diesel-electrics may be running on coal to liquids, but that is another discussion.

As I said, I have no problem with the theoretical underpinnings of Jevon's Paradox that are quite logical. I just feel that too many people misinterpret it. If energy were cheap and abundant then we would find more and more uses for it. That is supply and demand.

So long as energy can produce useful work then it is a substitute for labor. Therefore, cheap and abundant energy raises living standards by freeing up productive labor for higher value-added tasks. That is why Heineken says that we always seem to use as much as we produce. Naturally. We would not produce energy we do not need. It would be a waste of resources.

However, as economic growth requires energy, and the world's population is still expanding, plus developing nations are trying to improve their living standards by substituting energy for labor this is obviously creating positive demand for energy as well. So as we see supply is struggling to keep up with that demand. And it always will because if energy fell in price we would just find more economic uses for it. You call it Jevon's Paradox. I call it unlimited demand with finite supply.

Demand for petroleum will only fall when we discover a cheaper and more abundant alternative like the diesel-electric that replaced the steam engine running on coal. If you tell me that is impossible then you have your answer. Demand will continue to consume 100% of supply. And if actual supply is dwindling then demand destruction will square the circle via higher real prices. As demand cannot exceed supply. You cannot consume something that does not exist.

UPDATE: demand destruction
$this->bbcode_second_pass_quote('', 'I')n March, Americans drove 11 billion fewer miles on public roads than in the same month the previous year, a 4.3 percent decrease. It was the sharpest one-month drop since the Federal Highway Administration began keeping records in 1942.

Source: Life on the fringes of U.S. suburbia becomes untenable with rising gas costs



Wealth is a whole other topic. I own my labor. I choose how and for what I deploy it. So long as I work harder, longer and smarter than the next person I start to accumulate wealth. The residual left-over after I pay for food, energy, shelter, clothing, etc. As soon as I start to accumulate wealth it gets transfered into physical goods - perhaps the roof over my head - or into financial assets via savings and investments. Once my financial assets start to work on my behalf - perhaps rental income paid to me by my tenants - then they start to become a substitute for my own labor.

This is the part that seems so intrinsically unfair to many posters (and perhaps it is, but it is) that when they choose to buy an iPod to listen to Britney Spears' latest album they are consuming their wealth instead of saving and investing it. In turn Apple shareholders, Britney and her managers now have that wealth to save, invest or consume.

So when some say the market economy is a failure because the energy used by Britney Spears to fly to London or New York could have been used to build solar panels instead they forget that the only reason Britney Spears or Apple has that wealth is because someone else decided to consume their own wealth instead of saving and investing it. Or buying solar panels for that matter. It really sucks to discover that we are the problem. But don't worry, we are also part of the solution! ; - ))
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