That Russia decided to join forces with the petroleum-dependent nations is a bellwether of Russia's economic trends.
Russian officials have been cozying up to the oil cartel in recent months as the drop in prices has stung the country's petroleum-dependent economy.
Petrobras's heavy investment in extracting the deepwater oil will assure that Brazil is petroleum-dependent for decades to come, the group adds.
Re "Warming's Effects to Be Widespread" (front page, June 12): I am concerned about how oblivious our petroleum-dependent society is to the effect that our everyday activities have on the earth.
The United States, once the biggest producer of petroleum, became highly dependent on fuel imports, but has undergone an energy transformation and is meanwhile independent of natural gas imports and is likely to become relatively independent of oil imports.
The world will remain utterly reliant on oil: "Our industry is 98% dependent on petroleum to power our product, and we're very worried about volatility".
Like most other countries, the United States is nearly completely dependent on petroleum for transportation; in fact, petroleum use for transportation accounts for about one-third of total annual U.S. CO2 emissions [21].
Worse, most of the power plants use oil for fuel, leaving the Philippines dependent on petroleum imports for about half of its power needs.
Apart from the diversity of seeds, the yielded oil content is dependent on oil extraction procedures and conditions, respectively (e.g., solvents: n-hexane, chloroform, petroleum ether and methods: Soxhlet extractor, supercritical fluid extraction 30).
Despite spending decades developing other sources of energy, Japan, which must import almost all its oil, is more dependent on Middle East crude than it was in 1973, when the Organization of the Petroleum Exporting Countries organized its first worldwide embargo.
