Freed from the difficult task of buying fuel using outdated strategies and processes, they can focus on other important aspects of their core business.
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"This is the worst business has ever been, " said Mr. Betz, who blames the high price of fuel for the difficult conditions he's facing.
One key change appears to be that people are making fewer journeys, although how much is due to fuel consumption is difficult to say.
The chancellor, Gordon Brown, has acknowledged privately that it will be difficult to continue to increase fuel taxes above inflation in next year's budget.
Enron was then diversifying its energy business to emphasize natural gas, a fuel that was facing difficult market competition with coal.
Much of the Pentagon's fuel goes to the air force, however, and reducing the consumption of jet fuel is much more difficult.
"They asked me to save fuel but it's difficult to know how much you have to save, " said Hamilton.
And truck driver shortages and high fuel costs made truck transportation more difficult.
"We are on the side of working families and businesses and this will fuel our recovery at this very difficult economic time for the world", Mr Osborne said.
AirAsia and Tata are aiming to crack India's difficult aviation market where excessive government regulation and jet fuel prices that are among the highest in the world have stifled the industry.
In many cases, it has become increasingly difficult to accomplish that given the rise in food, fuel and other prices for other essential goods.
But the aircraft encountered atrocious weather conditions over Greenland and, with fuel running low, the crews attempted a difficult landing on to a glacier.
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Lindsay Scott, of Help the Aged in Scotland, said predictions of a colder winter and recent increases in the cost of fuel could mean pensioners would face a particularly difficult winter.
The Malaysian airline and Tata are aiming to crack India's difficult aviation market, where excessive government regulation and jet fuel prices that are among the highest in the world have stifled the industry.
The temptation to increase money supply and fuel inflationary pressures in this environment may be too difficult to resist for a civilian administration eager to avoid making political enemies early in its remit.
He accepted governments choose where the axe should fall when cutting public spending but said the decision about whether to "carry on with Labour's planned cut in the winter fuel payment... and cold weather payment, was a difficult one".
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"We will respond to the threat of climate change, knowing that the failure to do so would betray our children and future generations, " he said, warning of a "long and sometimes difficult" path to sustainable energy sources in a nation dominated by its fossil fuel industries such as oil and coal.
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It is, though, difficult to make accurate predictions from testing, as it is impossible to know the fuel loads the teams are running.
While 233U is an excellent fuel, its harsh radiation makes it nearly impossible to steal, and extremely difficult to use in a weapon.
Generators ran out of fuel, people ended up for days in shelters, food perished and was difficult to obtain, and towns spent millions of dollars getting back on their feet.
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AirAsia and Tata are aiming to crack the difficult Indian market, where the aviation industry must contend with extensive government regulations and jet-fuel prices that are among the highest in the world.
That added to delays since flights had to wait for space in the stream of planes and made it difficult for lots of flights to get on ideal tracks for winds, slowing flights and increasing fuel burn.
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In addition, Was said, the fuel rods are likely in a state of "partial melt, " the extent of which will be difficult to determine.
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