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Well before the start of AutoblogGreen, well before there were blogs, before even the first production hybrid vehicle, there was the Arab Oil Embargo. It happened 40 years ago this week, which means now is as good a time as any to take a look back at a time when getting gas in the US was a tremendous challenge.

In response to US support for Israel in its war with Egypt and Syria, the Organization of Arab Petroleum Exporting Countries (OPEC) limited how much oil came into the US. This, in turn, caused a "major economic downturn" in the US as gas supplies fell (and prices rose). For a while, the US responded determinedly. To deal with the embargo, the US set up the Strategic Petroleum Reserve, implemented a national 55-mile-per-hour speed limit and got the ball rolling on both CAFE standards and the DOE. But then, in March 1974, the embargo ended and the US went back to some of its old habits. We're still reliant on fossil fuels because we just can't seem to get renewable energy to work. Just today there was a story in The Washington Post about a big fight over solar power in Arizona. The good news, though, is that renewable energy sources (things like biofuels and wind power) made up just 6.9 percent of domestic energy production in 1973, but are account for almost 12 percent today, according to the Sun Day Campaign. There are many more statistics in the press release below and more information on the embargo over at Wikipedia.

Today, the US gets less than 10 percent of its oil from the Middle East (we get more from Canada, now), but that's only part of the problem. As Michelle Robinson of the Union of Concerned Scientists put it in a prepared statement, "While the embargo may be in the past, the oil we use continues to jeopardize our economy, our security, and our climate. The situation is serious ... we must do more."
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FORTY YEARS AFTER THE 1973 ARAB OIL EMBARGO
  • Fossil Fuels Still Dominate
  • Nuclear Power Stagnating
  • Major Gains in Energy Efficiency
  • Rapid Growth for Solar, Wind, and Biofuels
Washington DC -- October 17 marks the 40th anniversary of the start of the 1973 Arab Oil Embargo -- an event that arguably launched the United States' ongoing pursuit of a national energy policy.

Forty years ago, the U.S. economy was dominated by fossil fuels (i.e., oil, coal, natural gas) which accounted for 93% of the nation's energy consumption. Petroleum - more than 30% of which was imported - accounted for almost half of fossil fuel consumption with roughly half used in the transportation sector and 17% burned to generate electricity.

In 1973, conventional hydropower generated almost 15% of the nation's electricity and provided 3.8% of its total energy consumption. Biomass claimed a 2% share of the nation's energy use but, like geothermal, provided less than 1/10th of a percent of the country's electrical generation. Energy produced by solar, wind, and biofuels was essentially non-existent.

The 42 nuclear reactors operating in 1973 provided 4.5% of U.S. electrical generation and satisfied just over 1% of the nation's total energy demand.

Four decades later, U.S. energy use in some areas appears to have changed only modestly. Fossil fuels, for example, still dominate and, in 2013, will account for roughly 82% of total energy consumption.

However, other energy technologies have experienced significant growth.

Nuclear power has increased nine-fold and now provides over 19% of U.S. electrical generation - roughly 8.2% of total U.S. energy use.

The mix of renewable energy technologies (i.e., biofuels, biomass, geothermal, hydropower, solar, wind) now accounts for 10% of energy consumption, 12% of domestic energy production, and 14% of net electrical generation.

Perhaps most significantly, major gains in energy efficiency mean that the energy intensity of the American economy today - measured as energy use per unit of GDP - is less than half of what it was forty years ago.

ENERGY EFFICIENCY: Over the past four decades, U.S. energy use has increased by 28% from 75.6 quads in 1973 to about 97 quads in 2013. However, during that same period the nation's population has grown by 50% (from ~210 million in 1973 to ~315 million in 2013) and the nation's GDP (constant prices) grew from less than $6 trillion in 1973 to about $16 trillion in 2013.

Thus energy intensity, measured as energy used (thousand Btu)/real dollar of GDP (2009 chained dollar), dropped by more than half from 13.97 in 1973 to 6.15 in 2012 due to a combination of energy efficiency legislation, agency regulations, price signals, technological advances, and changes in consuming habits.

Had energy growth continued at the rates experience after World War II until 1973, energy use in the U.S. today would be at least 40% higher than it actually is making energy efficiency, in effect, the nation's largest "energy resource."

Yet, study-after-study suggests that the United States has still not picked all of the low-hanging fruit, much less implemented the more complex structural changes that could secure far greater gains in energy efficiency. Some analysts argue that energy intensity of the U.S. economy could be further reduced in the near term by 30% or more using cost-effective, currently-available technologies.

For example, after more than two decades of politically-based stagnation, gains are now finally being realized in auto fuel efficiency that could ultimately lead to a doubling of mpg, especially as hybrid, all-electric, fuel-cell and other alternative vehicles expand their market share.

A complete shift in the lighting market to compact fluorescents and LEDs could theoretically cut energy use in that sector by 75% or more. New buildings can be economically constructed that use 30% less energy (some would argue 50% or more) while existing buildings can often be upgraded to achieve gains almost as large.

Far greater use of cogeneration and waste heat recovery as well as smart grid and new transmission line technologies could greatly reduce energy losses in electrical generation, which typically wastes nearly two-thirds of the fuel consumed.

RENEWABLE ENERGY: In 1973, renewable energy sources (i.e., biofuels, biomass, geothermal, hydropower, solar, wind) accounted for 6.9% of domestic energy production comprised of hydropower (65%) and biomass (35%) with a trace contribution from geothermal. There was essentially no contribution from biofuels, solar, or wind. In the electricity sector, hydropower accounted for 99.2% of all power generated by renewable sources.

By 2013, renewables accounted for almost 12% of domestic energy production with a mix of hydropower (29.7%), biomass (25.4%), biofuels (20.0%), wind (19.3%), solar (3.2%), and geothermal (2.4%). By mid-2013, renewables accounted for 14.2% of U.S. net electrical generation, with almost half coming from non-hydro renewables.

Renewables have now emerged as a major contributor to the nation's overall energy supply. Yet, it can be argued they are still well short of their real potential. For example, in 1980, a lengthy, inter-agency analysis conducted by the Carter Administration concluded that renewables could meet 20% of the nation's energy needs by the year 2000 (and some members of the task force argued a goal of 25% was doable). Yet, 33 years later, renewables have only reached the half-way point of the 2000 goal.

Recent growth rates and price drops do suggest, though, that the use of renewables could greatly accelerate in the near-term. Between 2003 and 2012, for example, energy produced from wind increased by a factor of 12, biofuels output grew more than five-fold, and solar generation quadrupled. Geothermal also expanded by more than 30%. Only hydropower and biomass (other than biofuels) remained essentially unchanged.

Photovoltaic (PV) cell costs today are 1% of what they were in 1973. Wind energy costs have declined by as much as 50% in just the past four years. Combined with recent developments in a number of energy storage technologies, wind and solar are now either at, or close to, "grid parity" with fossil fuels -- and, in some instances, actually cheaper. Moreover, the first significant amounts of cellulosic biofuels have been produced in just the past two years with production levels expected to ramp up significantly in the near term.

NUCLEAR POWER: In 1973, the U.S. had 42 operating nuclear reactors that generated 4.5% of the nation's electricity. In response to the oil embargo, then-President Nixon called for the construction of 1,000 nuclear reactors. The resulting expansion in the 1970s came to a screeching halt with the 1979 Three Mile Island nuclear accident and subsequently resumed at a far-slower pace. By 2010, nuclear power had peaked when 104 reactors provided 11.3% of domestic energy production and 19.6% of the nation's electricity.

Nuclear generation has dropped each year since then and is likely to see further declines - at least for the next several years - in light of the recently announced closures of five reactors (Crystal River, Kewaunee, San Onofre-2, San Onofre-3, and Vermont Yankee). While five new reactors are now under construction, their eventual contribution to the nation's electricity supply (assuming they are ever completed) may well be off-set by retirements of other older, uneconomic, and arguably troubled reactors (e.g., Oyster Creek, Pilgrim, Indian Point, Fitzpatrick, Davis-Besse).

PETROLEUM: The total amount of oil used in 1973 (34.8 quads) has changed little over the past four decades (34.7 quads used in 2012) but its share of the nation's energy mix has declined from 46% to 36%. Notably, oil use for electrical generation has changed from 17% in 1973 to less than 1% in 2013. Roughly half the oil used in 1973 was for transportation; it is over 70% today.

Net oil imports (imports minus exports) rose from roughly 30% in 1973 to a high of over 60% in 2005 and have since been declining; the U.S. relied on net imports for about 40% of the petroleum (crude oil and petroleum products) that was consumed in 2012. Contributing to this decline has been:

**increased domestic oil production,

**an increased use of biofuels (primarily ethanol) - now representing about 10% of the nation's motor fuel supply, and

**improvements in motor vehicle fuel economy (e.g., from an average for all motor vehicles of 11.9 miles per gallon in 1973 to 17.5 mpg in 2011; further, the average sales-weighted fuel-economy rating of purchased new vehicles in August 2013 reached 24.9 miles per gallon).

NATURAL GAS: Domestic consumption of natural gas has increased by 26% over the past four decades but remained at about 29% of the total energy mix. Its use in the electricity-generating sector has tripled since 1973 and its share of net electrical generation has increased from 18.3% in 1973 to 26.2% in 2013. (By comparison, electrical generation more than doubled between 1973 and 2013.)

COAL: Domestic production of coal has increased by over 40% over the past four decades (13.99 quads in 1973 to 19.79 quads in 2013) but its share of the nation's overall energy consumption has remained relatively unchanged (17.1% in 1973 vs. 17.6% in 2012). Further, its role in electrical generation has dipped in recent years from about 45% in 1973 to about 39% in 2013, reflecting increased competition from both natural gas and renewables.

CO2 EMISSIONS: Carbon dioxide (CO2) emissions from energy consumption today are about 15% higher than they were 1973. The 2013 figure actually represents a drop of 11% from the peak level recorded in 2007 with the decline attributable to the economic recession, some displacement of coal by natural gas, increased use of renewables, and improving energy efficiency.

Coal accounted for about 25% of CO2 emissions from energy consumption in 1973 but its share had risen to almost 30% by 2012 with actual CO2 emissions from coal rising 37.3% over the past four decades. By comparison, petroleum was responsible for ~40% of CO2 emissions in 2012, natural gas for ~24%, and biofuels/biomass for ~5%.

The recent downward trend, however, is almost certainly not large enough or fast enough to counter global increases in CO2 emissions or to substantially reduce the risks posed by climate change.

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The SUN DAY Campaign is a non-profit research and educational organization founded in 1993 to promote sustainable energy technologies as cost-effective alternatives to nuclear power and fossil fuels. Its executive director, Ken Bossong, has been working on energy policy issues since the time of the 1973 Arab Oil Embargo.


40th Anniversary of OPEC Embargo Highlights Continued Need for Oil Savings

Statement by Michelle Robinson, Union of Concerned Scientists

WASHINGTON (Oct. 16, 2013) – Forty years ago today, the Organization of Arab Petroleum Exporting Countries (OPEC) restricted the United States' access to oil -- triggering an oil crisis that caused severe economic instability but also led to the implementation of several conservation measures and public awareness campaigns that reduced our nation's oil use.

These measures included a national maximum speed limit of 55 mph, the development of the Strategic Petroleum Reserve, higher fuel efficiency standards for vehicles, and the eventual establishment of the Department of Energy.

Despite the end of the embargo, the threat of our nation's continued oil use remains. Recent reports from the U.N. Intergovernmental Panel on Climate Change and the International Energy Agency recommend dramatic cuts in oil consumption in order to keep the majority of fossil fuel reserves in the ground.

Below is a statement from Michelle Robinson, director of the Union of Concerned Scientists' Clean Vehicles program:

"The anniversary of the oil embargo underscores today, just as it did 40 years ago, just how vulnerable our country is because of our continued oil use. While the embargo may be in the past, the oil we use continues to jeopardize our economy, our security, and our climate. The situation is serious, and like the embargo it calls for equally serious actions to reduce our consumption of oil.

"While we have made progress as a country to reduce our oil use, including doubling fuel economy and reducing global warming emissions for new vehicles, we must do more. We need a comprehensive strategy like the Union of Concerned Scientists' Half the Oil plan, which details how efficiency and innovation can help cut our nation's projected oil consumption in half in the next 20 years.

"With the right policies and investment in existing and emerging technologies, in 20 years we can cut our country's annual oil spending by $550 billion, create more than a million jobs, and eliminate some 2 billion metric tons of global warming emissions annually. Like OPEC 40 years ago, the oil industry will have us over a barrel if we do not take action to fuel a better future. We must begin that future today."

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The Union of Concerned Scientists (UCS) puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with citizens across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future. For more information, go to www.ucsusa.org.