(NEWSER) - Big oil execs, analysts, and government sources say a century-old American tradition is waning: after years of increasing oil consumption, US guzzling has peaked, they believe. Last year, demand plunged 7.1% for gas, diesel, and jet fuel—the biggest drop since 1950, when dependable records began. And major changes for the oil industry mean big changes for government budgets and consumers alike, the Wall Street Journal reports. More»