Drivers are traveling farther between oil changes, and engines don't burn oil the way they used to.
If you want everything--from oil changes to collision protection--you'd have to pay more than someone who wants just basic collision protection.
But how much weight will that carry in one of the new General Motors cars whose dashboard indicator urges oil changes as far apart as 15, 000 miles (24, 000 kilometers)?
This is why more dealers are offering such things as fast, low-cost oil changes to persuade drivers that coming back to the dealership for maintenance isn't just the road to an empty wallet.
Using data from 1973 for developed countries, and a shorter series for developing ones, Mr Jacobsen and his colleagues found that oil-price changes and stockmarket returns are linked but lagged: if oil prices rise, shares do fall, but not right away.
Car-related businesses would also be affected because less driving translates into fewer oil and tire changes.
Within days, he said, he would add measures paving the way for telecoms and electricity privatisations and more oil-industry changes.
Make sure a technician tops off the windshield-wiper fluid, changes the oil and checks the brake fluid before you depart.
In the past changes in oil prices have had a limited long-term impact, since any losses to oil importers are matched by gains by oil exporters.
Because of the great difficulty and cost associated with this type of drilling, it is very susceptible to changes in oil company budgets and the price of oil.
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These sums are in essence the difference between measured changes in physical oil stocks and estimates of supply and demand.
Typically, the week-to-week changes in crude oil and gasoline inventories are reported, generally also with change in distillate inventories and sometimes with the refinery utilization rate.
Since these savings are in unaudited funds, it is hard to judge how long the government can withstand a low oil price without big policy changes.
The sugar people complain that, although the price of ethanol rises and falls with world sugar demand, petrol prices in Brazil do not adjust quickly to changes in the oil price.
As it happens, most of the variation in the price of oil over the past 40 years has reflected changes in the value of the dollar (the denominator) rather than the value of oil (the numerator).
Even on the party's left, congressmen like Flores admit that without changes, institutions like oil giant Pemex that were long untouchable will struggle to compete internationally.
As I read his speech, which was passed to me by a friend whom I might describe as a Peak Oil fanatic, I noted other changes in the world since that time.
With oil prices so high, small changes can save a lot of money, which is why companies that adopted ambitious emissions-reduction targets around the time of Copenhagen have tended to stiffen, not slacken, them.
Given all of the factors that contribute to inflation in the short run, this correlation is truly remarkable, but there are near-term deviations in times like this when central banks are fighting deflation trends actively or due to economic swings, currency changes, spikes in oil prices, or other factors.
But if supply and demand are in close balance (as they were in the oil market), even very small changes in either component can lead to large price shifts.
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The ability to use fuels other than petroleum is critical to our energy security because it will increase our flexibility and reduce the services' vulnerability to rapid and unforeseen changes in the price of oil.
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Then again, as the Bank of England has reminded us, it has often been "special factors" pushing inflation up in the past few years - particularly, big changes in the price of oil and other commodities.
Oil prices fell immediately after the government announced the changes to the Jones Act.
"It's exciting, there are going to be many changes, " says Srivatsa Kumar, oil analyst with Jardine Fleming India Broking in Bombay.
Similarly, the Saudis have rejected the use of oil exports to America as a lever to force policy changes.
Even in areas with no nearby oil and gas drilling, the water quality in some aquifers changes naturally, groundwater experts say.
"While it appears likely that the observed seismicity rate changes in the middle part of the United States in recent years are manmade, it remains to be determined if they are related to either changes in production methodologies or to the rate of oil and gas production, " wrote David J.
Regulatory reforms and policy changes are urgently needed to prevent drilling disasters, ensure oil-rig safety in the Gulf and elsewhere and guarantee rapid response and cleanup when accidents happen.
For those of you investing directly in ETFs that track commodities like gold, oil and platinum, a word of caution: Many popular ETFs that were designed to track commodities like gold, oil and platinum may NOT be in tight lockstep with the price changes of the underlying physical commodity.
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