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European utilities like E.On of Germany have announced plans to shut down less-polluting natural gas-fired plants that have been undercut by dirtier coal-burning generators benefiting from a flood of low-cost coal imports and low carbon emissions prices.

Despite the upfront costs associated with green energy projects, they are inexpensive to run. In contrast, Europe’s gas and coal plants, which also provide backup power when renewables cannot operate, need constant spending on fossil fuels.

For starters, fracking has caused gas prices to drop dramatically.

Since 1990, the EU has heavily subsidized solar and wind energy at a cost of more than $20 billion annually. Yet its per capita CO2 emissions have fallen by less than half of the reduction achieved in the US – even in percentage terms, the US is now doing better.

Along with the closure of German nuclear power stations, this has led, ironically, to a resurgence of coal.

But despite the lag in education, Mr. Johnson said, Mexican immigrants and their families don't have much trouble finding jobs. "One of the paradoxes of Mexican immigration is that you have these workers with low skills but incredibly high employment rates," he said. "The second generation isn't able to maintain employment levels that are quite so high, but they're basically in the same ballpark."

By contrast, the children of recent arrivals face competition from successive waves of immigrants from numerous regions.

Professor Waldinger said that "the median for Indian immigrants is 16 years of schooling" and that, on balance, "the Indians, the Koreans, the Chinese — they're already successful." One reason, he added, is that society is "much more open to outsiders" in top jobs and at elite colleges than it ever was before.

By 2020, GE figures, total spending on the Industrial Internet will be $23 billion. Better management of processes and understanding of systems will yield $1.279 trillion in value, the company said.

Water-assisted fracturing has been in use since the late 1940s, but it became “fracking” only recently, when it was married with horizontal drilling and the advanced sensing techniques that let it be used deep underground. Energy costs are surprisingly small; a Swiss-American research team calculated in 2011 that the average EROEI for fracked gas in a representative Pennsylvania county was about 87—about six times better than for Persian Gulf oil and 16 times better than for tar sands. (Fracking uses a lot of water, though, and activists charge that the chemicals contaminate underground water supplies.)

and pollution that kills more than 10,000 Americans a year (that estimate is from a 2010 National Research Council study).

In mid-March, Japan’s Chikyu test ended a week early, after sand got in the well mechanism. But by then the researchers had already retrieved about 4 million cubic feet of natural gas from methane hydrate, at double the expected rate.

How much of Venezuela’s oil wealth Hugo Chávez hijacked for his own political purposes is unknown, because his government stopped publishing the relevant income and expenditure figures. Similarly, Ross points out, Saddam Hussein allocated more than half the government’s funds to the Iraq National Oil Company; nobody has any idea what happened to the stash, though, because INOC never released a budget. (Saddam personally directed the nationalization of Iraqi oil in 1972, then leveraged his control of petroleum revenues to seize power from his rivals.)

Import terminals are being built to receive liquefied natural gas (LNG) from places such as Qatar and Nigeria.

Added to that, Europe is contractually obliged to continue taking delivery of Russian gas. Bernstein makes the point that Gazprom has about 120 bcm of take-or-pay contracts – with companies such as ENI, Edison and RWE – that require Europe to continue paying about $50bn for Russian gas. Many of these stretch way beyond 2020.

“Gazprom has heard it all before,” said Jonathan Stern, director of gas research at the Oxford Institute of Energy Studies. “For the past 20 years Europe has been trying to diversify away from Russian gas and failed.”

Any reduction in imports from Russia thanks to Europe’s diversification strategy “is not a prospect for the next few years,” he said. “And by that time I think Russia will find alternative gas export markets, especially in an environment of strong Asian demand for gas.”

an aging America needs a new social compact: one recognizing that longer life expectancies justify gradual increases in Social Security’s and Medicare’s eligibility ages; one accepting that sizable numbers of well-off retirees can afford to pay more for their benefits or receive less; one that improves generational fairness by concentrating help for the elderly more on the needy and poor to lighten the burdens — in higher taxes and fewer public services — on workers; and one that limits health costs.

Government is being slowly transformed into a vast old-age home, with everything else devalued and degraded.

but countries like Germany, which were over-saving and running external surpluses, have not been forced to adjust by increasing domestic demand, so their trade surpluses have remained large.

Of course, Germany fails to recognize that successful monetary unions like the United States have a full banking union with significant risk-sharing elements, and a fiscal union whereby idiosyncratic shocks to specific states’ output are absorbed by the federal budget. The US is also a large transfer union, in which richer states permanently subsidize the poorer ones.

But the fundamental crisis of the eurozone has not been resolved, and another year of muddling through could revive these risks in a more virulent form in 2014 and beyond. Unfortunately, the eurozone crisis is likely to remain with us for years to come, sustaining the likelihood of coercive debt restructurings and eurozone exits.

"Supertankers" are the largest tankers, including very large crude carriers (VLCC) and ULCCs with capacities over 250,000 DWT. These ships can transport 2,000,000 barrels (320,000 m3) of oil/318 000 metric tons.[46] By way of comparison, the United Kingdom consumed about 1.6 million barrels (250,000 m3) of oil per day in 2009.[47] ULCCs, commissioned in the 1970s, were the largest vessels ever built, but the longest ones have already been scrapped; only a few ULCCs remain in service, none of which are more than 400m long.[48] Because of their great size, supertankers often can not enter port fully loaded.[28] These ships can take on their cargo at off-shore platforms and single-point moorings.[28] On the other end of the journey, they often pump their cargo off to smaller tankers at designated lightering points off-coast.[28] A supertanker's routes are generally long, requiring it to stay at sea for extended periods, up to and beyond seventy days at a time.[28]

As demand grew moderately in the United States and Western Europe, expanding economies such as China fueled exponential growth in demand.[60]

The average one-year time charter rate for a 5-year-old tanker of 280,000 metric tons of deadweight varied from $56,500 per day in December 2005 to $53,000 per day in September 2007 with a high of $64,500 per day in September 2006.[59]

Today's largest container ships measure almost 400 metres (1,300 ft) in length.[14] They carry loads equal to the cargo-carrying capacity of sixteen to seventeen pre-WWII freighter ships.

Moving beyond economics, America’s reduction in net energy imports – which have already fallen by one-half since 2007 – means that its foreign policy will be less constrained by events in the Middle East. In Europe, the new technology could similarly break Russia’s politically troublesome stranglehold on natural-gas supplies.