They are more aerodynamic and have low-rolling-resistance tires to boost fuel efficiency.
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The massive shale gas resource in America, coupled with the high-efficiency and low emissions of modern gas power plants, gives us a handy solution to future power needs.
CHP, or cogeneration, is not a single technology but rather a suite of technologies that can be mixed and matched in many ways to provide high-efficiency, low-emissions source of heat and power from a single process.
In an earlier report, the Royal Academy of Engineering had mapped out the scale of the task involved in moving to a low-carbon electricity supply - with a mix of energy efficiency, renewables, nuclear and clean coal.
National will also look to trim what it regards as low-priority spending and improve the efficiency of ministries.
Another team from a public high school in one of the most disadvantaged neighborhoods in Philadelphia successfully created a low carbon emissions and ultra-high efficiency alternative fuel vehicle which competed against collegiate and corporate teams.
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Many businesses feel the same way, and they're going after the low-hanging fruit to boost their own efficiency.
So my objection is, one, the money rather than looked at in a way it was intended as an investment in low-income housing, ADA accessibility, energy efficiency that will pay back over time, it was about a 45-minute discussion.
Energy efficiency is often touted as the low-hanging fruit in reducing energy consumption.
In effect, advertisers have efficiency-ed themselves into a low-growth position.
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Girl Scouts of the USA is on our least-efficient list primarily because its fundraising efficiency is low.
Because of their low cost structure, tax efficiency and ability to access hard-to-reach areas of the market, investors have taken a strong liking to these vehicles.
Low household energy costs dampen demand for energy efficiency and most home-appliance manufacturers have hugely reduced their energy consumption in other ways.
Rattner explained that the new architecture is based on more than a decade's worth of research to invent a family of silicon-based photonic devices, including lasers, modulators and detectors using low-cost silicon to fully integrate photonic devices of unprecedented speed and energy efficiency.
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Developing lightweight materials, such as low-cost carbon fiber composites (CFC's), that will improve fuel efficiency, performance, and corrosion resistance of the next generation of automobiles, aircraft, ships and trains.
The extensive use of free or low-cost online platforms such as WordPress and Facebook has both facilitated grassroots participation and increased organisational efficiency.
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Other CIGS makers have run into trouble trying translate the high efficiency and low cost promised by small lab samples of CIGS into large sheets of high-quality, durable and uniform thin films.
Overall efficiency of the system is extremely low currently, thanks to a low concentration of those photon-catching structures, but individually they capture about 40 percent of the light's energy, meaning a higher concentration could make for very hearty soup indeed.
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Japan is the second worst performer with a -23 point gap between business efficiency (ranked 27th) and government efficiency (ranked a very low 50th).
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Hitting the energy-efficiency targets would reduce demand for those permits, in which case their price might fall too low to encourage further investment into low-carbon technologies.
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