By 2009 the required blend will be 10% ethanol and will gradually rise to 25% thereafter.
ECONOMIST: America and its neighbours discover a common interest
For Gore, the stakes will gradually rise in the next four years, as people begin to look at him not as a vice president, but as a possible president.
Foreign donors have promised aid and private foreign investment looks set to rise gradually.
"As the Bank of Japan targets 2% inflation, I think interest rates will rise gradually, " he said.
Its long, low shape appears to rise gradually, as if its roof touched the ground at each end.
We conservatively forecast that the EBITDA margin will rise gradually to 12% by the end of our forecast period.
FORBES: Higher Crude Prices Lift Refining Margins And Conoco Stock Price
While the EBITDA margins for Gillette have already declined over 2008-10 behind razors sold at highly discounted prices, we currently forecast EBITDA margins to rise gradually as consumers come back to buy blades.
FORBES: P&G Rising To $84 With Downside Risk If It Has A Tough Time Selling Soap And Razors To India
U.K. consumers, who have some of the highest personal debt levels in Europe, are bound to start watching their spending more closely this year, and many economists expect interest rates and taxes will gradually start to rise, which will crimp spending further.
In theory, global trade should cause prices in different countries to converge: the prices of low-cost producers should gradually increase as wages rise (ie, China's falling prices were a temporary anomaly), while the prices of high-cost producers should fall.
ECONOMIST: Why China is not to blame for the surge in global inflation
When China does eventually allow the yuan to rise, it will do so gradually.
Joseph Quinn, an economist at Boston College, notes that workforce-participation rates for older male workers fell steadily from the late 19th century until the mid-1980s, then gradually began to turn up, while for women at that time they began to rise.
But the dramatic rise of activist hedge funds, pressure from short sellers and the risk of disruptive hostile takeovers gradually changed his mind.
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