1.   The era of cheap oil has ended.

2.   Then came cheap oil, electricity, and the motorized centrifugal pump.

3.   Transport problems resulting from the withdrawal of cheap Soviet oil supplies and the drastic cut in other forms of Soviet economic assistance were also identified as factors.

4.   Cheap oil has slowed conservation efforts.

5.   And many of them benefit directly from cheap oil.

6.   As for consumers, cheap oil usually helps.

7.   --- The continuing effects of cheap oil on the economy are being thrown into sharp relief by the latest wave of earnings reports.

8.   Cheap oil has also undercut the development of solar energy, even though there has been steady improvement of the efficiency and cost of photovoltaic cells.

9.   Cheap oil also contributes to low inflation, a boon for mortgage financing, home construction and vehicle loans.

10.   Cheap oil is still a boon to the U.S. economy.