Since 1980, absolute energy use in commercial buildings alone has increased two-thirds to nearly 20 percent of U.S. energy consumption, with relative energy use per square foot increasing nearly 12 percent over the same period.
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What we specialize in at Advisory Research, though relative to energy, is finding very attractive companies with tremendous values of assets in the ground.
The problem is that dung alone does not produce all that much energy relative to its size, says Geraint Evans, head of biofuels at the UK's National Centre for Biorenewable Energy, Fuels and Materials.
Corn is indeed a renewable resource, but it has a far lower yield relative to the energy used to produce it than either biodiesel (such as soybean oil) or ethanol from other plants.
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In an oil-drenched region, all these countries are united by the relative scarcity of their energy reserves.
The certainty that carbon dioxide restrictions will impose higher energy prices on U.S. consumers and the U.S. economy is clearly evident when examining the relative costs of various energy sources.
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Ian Ayres, one of my colleagues here at Yale, has tracked consumer reactions to an experiment involving more than 70, 000 households in California in which consumers are randomly given monthly information on how much energy they are consuming relative to their neighbors.
Its second-generation Ankle Mimicking Prosthetic Foot (AMP-Foot 2.0) uses a pair of force sensors to determine the leg's relative position and let an actuator build energy when the foot bends, locking the power away to use only when the owner pushes off.
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The situation has tipped global equities markets into a relative free fall, with anything remotely connected to nuclear energy taking a bigger hit.
For the average industry, the average company, we can make huge progress on solar, we can make huge progress on wind, but the unit costs -- energy costs that you get from those technologies relative to coal are still going to be pretty substantial.
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Allowing these industries to pay lower taxes relative to one or another distorts the most efficient use of our energy resources.
Even with these protections, our energy multinationals consistently record some of the largest income tax expenses relative to other U.S. companies.
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One is that we really do now as a nation need to take energy security seriously as a foreign policy issue and prioritize that objective relative to other foreign policy goals that we have.
The carbon dioxide intensity of U.S. energy supply (CO2 per unit of energy) in 2009 also dropped as a result of lower natural gas prices relative to coal.
Given that we have limited time and energy, there are some things people worry about that get far too much attention relative to the risks they pose.
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What makes this program unique is the relative ease it offers for companies to begin their sustainability journey by focusing on easier-to-measure energy efficiency initiatives.
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