Another main - sequence star, HR 4796, has a thicker dust cloud orbiting it, but even that star emits only 0.5 per
cent of its energy at far - infrared wavelengths (New Scientist, Science, 4 January 1992).
For instance, a star called Beta Pictoris radiates 0.24 per
cent of its energy at far - infrared wavelengths, and is surrounded by a disc of dust which astronomers have actually photographed.
There is a loss of 90 per
cent of energy at each step of the food cycle.
Not exact matches
Woodside Petroleum Ltd subsidiary
ATS Inc has made good on a promise not to extend its $ 1.16 billion hostile takeover bid for US - based oil producer
Energy Partners Ltd, after failing to reach the minimum acquisition level
of 50 per
cent.
Today the price
of panels has stabilized
at about 70
cents a watt, according to Bloomberg New
Energy Finance.
At dispute is an alleged deficit that amounts to less than two per
cent of $ 630 billion (U.S.) in annual Canada-U.S. trade, and the final result can be made or broken by a small shift in
energy prices and currency values.
The TSX Composite Index followed a similar course, gaining 2.4 per
cent in Q1 2017 yet down from 4.5 per
cent in Q1 2016, primarily due to weakness in the
energy sector
at the beginning
of the year.
The U.S. Department
of Energy puts the drop
at 64 per
cent for utility - scale solar power and 41 per
cent for land - based wind since 2008.
Speaking after Beach completed the $ 1.585 billion takeover
of Origin
Energy's Lattice
Energy division, the owner
of 50 per
cent of Waitsia, Mr Kay said Beach is «watching closely» developments
at AWE, which has attracted three takeover offers and looks set to agree to a $ 602 million cash bid from Japan's Mitsui.
Consumer price inflation in the euro area increased to 2.1 per
cent over the year to October, primarily due to higher food and
energy prices; the core measure
of inflation is lower
at 1.7 per
cent (Graph 9).
At its peak in the 1970s oil and natural gas accounted for nearly 70 per
cent of the world's use
of commercial
energy.
At least 20 per
cent of energy should come from renewable sources by 2020, the commission further states.
Energy experts have questioned government's decision to cap electricity price, in terms
of power purchases negotiation,
at 10
cents per kilowatt hour, stressing that it will not attract investors into the power sector.
If China's use
of renewable and nuclear
energy grows
at a plausible rate, and the country captures some
of its emissions from coal - burning power stations and keeps making improvements in
energy efficiency, by 2050 its total emissions could end up 4 per
cent lower than today, says Zhou.
And whereas many traditional motorcycles can achieve a respectable 50 miles per gallon
at a driving cost
of about seven
cents per mile, an electric bike uses the
energy equivalent
of about 420 mpg
at an operating cost
of two to three
cents per mile.
The scientists estimate that cold technology could cut the
energy consumption and cost
of CO2 capture by as much as 30 per
cent in one
of the «green» coal - fired power stations that the world is currently sniffing
at.
Manoj Thota and Kon - Well Wang
at the University
of Michigan in Ann Arbor have designed a noise barrier that can reduce acoustic
energy by 90 per
cent, so traffic noise previously audible
at 1.6 kilometres away only travels half a kilometre.
«All the political parties have said we will have 100 per
cent renewable
energy in the long term — it's just a question
of the pace
of change,» says Volker Quaschning, a renewable
energy systems researcher
at the University
of Applied Sciences in Berlin.
At a cost of less than 3 cents per kilowatt - hour, tornado energy is cheaper than burning coal (which rings up at 4 or 5 cents per kwh) and produces no additional greenhouse gase
At a cost
of less than 3
cents per kilowatt - hour, tornado
energy is cheaper than burning coal (which rings up
at 4 or 5 cents per kwh) and produces no additional greenhouse gase
at 4 or 5
cents per kwh) and produces no additional greenhouse gases.
He claims that preliminary measurements
of how muscle groups work in people using his shovel instead
of a conventional one show that his design saves a lot
of energy: it can, he says, reduce the effort
of shifting a truckload
of mulch by
at least 30 per
cent.
Modelling by Jacobson's team suggests that extracting 11.5 TW
of this wind power would reduce the kinetic
energy of wind
at 100 metres by less than 1 per
cent.
«A part
of a mission that flies is a lot better than 100 per
cent of a mission that gets cancelled,» says Harvey Tananbaum, who heads the high -
energy astrophysics division
at the Harvard - Smithsonian Center for Astrophysics.
Based on theoretical calculations, this provides a potential reduction in
energy consumption
of between 12 and 16 per
cent at constant speeds
of 50 km / h in built - up areas, and between four and six per
cent at 80 km / h.
«But in one test — ploughing loam soil with a moisture content
of 12 to 17 per
cent,
at a speed
of 9 kilometres per hour — we achieved 32 per
cent energy savings.
The price
at which «everything becomes possible» If solar units could be installed for $ 1 per watt, the cost
of solar
energy would fall to 5 to 6
cents per kilowatt - hour, less than half the current average retail price in much
of the country, according to DOE.
Indeed many analysts argue that cuts
of 20 per
cent or more could be made
at «negative cost», by simply taking cost - effective measures to improve
energy efficiency.
Xi Zhang
at the University
of California
at Santa Cruz and his team calculated that the particles can absorb about 1 to 5 per
cent of incoming solar
energy, with the rest reflected back by Pluto's surface (Nature, doi.org/cgbz).
At one point the Atomic
Energy Corporation (AEC) spent 70 per
cent of the Department
of Energy's budget to enrich uranium and develop nuclear weapons.
Dan W. Reicher, a former assistant secretary
of energy for conservation and renewables, has complained repeatedly that companies will invest in solar plants that produce electricity
at 20 or 30
cents per kilowatt - hour, while ignoring fixes that would save comparable
energy at a cost
of four
cents per kilowatt - hour.
The team, which includes Associate Professor Vincent Tan from the Department
of Mechanical Engineering and Adjunct Assistant Professor Anand Sarma from the Department
of Civil and Environmental Engineering, found that when a projectile is fired
at a sand block
at high speed, it absorbs more than 85 per
cent of the
energy exerted against it.
A study led by Assistant Professor Darren Chian Siau Chen from the Department
of Civil and Environmental Engineering
at the National University
of Singapore's Faculty
of Engineering has found that when a projectile is fired
at a sand block
at high speed, it absorbs more than 85 per
cent of the
energy exerted against it.
In a recent study, a team
of researchers from the National University
of Singapore's (NUS) Faculty
of Engineering found that sand can absorb more than 85 per
cent of the
energy exerted against it, and its ability to resist the impact increases with the speed
of the projectile, even
at high velocities.
A team
of researchers from the National University
of Singapore's Faculty
of Engineering has found that when a projectile is fired
at a sand block
at high speed, it absorbs more than 85 per
cent of the
energy exerted against it.
Bernard Ses - trienka, head
of energy for the Slovak Ministry
of Economics, has told the German press that with Mochovce, Slovakia could export electricity
at only 60 per
cent of its price in the West.
That means the fuel gain
at NIF represents less than 1 per
cent of the total
energy entering the system.
We reviewed the programs
at the $ \ phi $ factory
at Frascati and the proposed PEP - N facility
at Stanford Linear Accelerator
Cent... ▽ More We report on the status and plans
of experiments now running or proposed for electron - positron colliders
at energies between the $ \ phi $ and the Z.
For example, eating a breakfast supplemented with 29 g
of sugar beet fiber resulted in 14 per -
cent less
energy consumption
at the subsequent lunch (Burley et al., 1993).
Even those young people who did not purchase a sugary - sweetened drink
at lunchtime still exceeded the WHO recommendations that sugar consumption be halved to no more than 5 per
cent of daily
energy intake.
Watching a two - hour HD movie on both devices reduced 10 per
cent more
of the third - gen's battery, while overnight
energy seepage clocked in
at six per
cent, compared to zero from iPad 2.
The TSX
energy sector fell 6.5 per
cent Monday in addition to a five per
cent plunge last week as the price
of crude settled
at a five - year low.
The Annual Fuel UtilizationEfficiency rating tells you how much heat a furnace produces compared to the
energy it uses to produce it.If an older furnace operates
at 50 % AFUE, 50
cents of every dollar spent is, well, going up in smoke.
«This act is further intended to contribute to the increase in the percentage
of renewable
energy sources in power supply to
at least 12.5 per
cent by 2010 and to
at least 20 per
cent by 2020.»
The NREL research, according to Dr. Helman, breaks those values into four categories: 1) The
energy shifting value is ~ 0.5
cents to 1.0
cents per kilowatt - hour; 2) The increased capacity factor value is ~ 0.7
cents to 2.0
cents per kilowatt - hour; 3) if PV is 6
cents per kilowatt - hour, the value
of reduction in curtailment is estimated
at ~ 0.3
cents per kilowatt - hour; and 4) the reserve and integration value is 0.1
cents to 0.7
cents per kilowatt - hour.
The federal production tax credit (PTC), which offers wind
energy developers 2.2
cents for every kilowatt - hour
of electricity produced from grid - tied projects, was a key case in point
at the conference.
If a reader has the $ / kW (stated), discount rate (assume 8 %), capacity factor (missing) and projected years
of operation (stated) one can use my worksheet «A Financial Worksheet for Computing the Cost (US
cents / kWh)
of Solar Electricity Generated
at Grid Connected Photovoltaic (PV) Generating Plants» that was published in the Journal
of Solar
Energy Engineering, August, 2002, Vol.
So while
energy emissions will continue to grow
at around 2 per
cent per annum for years to come, in a couple
of years time the fall in emissions from land use change will stop.
The U.S. Department
of Energy (DOE) reported that the solar industry has realized the 2020 utility - scale solar cost target set by the SunShot Initiative
of having an average price
of utility - scale solar
at 6
cents per kilowatt - hour (kWh).
Research was key to the low price record
of 6
cents for dispatchable solar thermal
energy at Port Augusta: SolarReserve According to Kevin Smith, the CEO
of California - based SolarReserve; the company that is first to sell CSP
at 6
cents / kWh, the record - low CSP price was largely due to their receiver and heliostat research.
One Planet Living principle Masdar Target ZERO CARBON 100 per
cent of energy supplied by renewable
energy — Photovoltaics, concentrated solar power, wind, waste to
energy and other technologies ZERO WASTE 99 per
cent diversion
of waste from landfill (includes waste reduction measures, re-use
of waste wherever possible, recycling, composting, waste to
energy) SUSTAINABLE TRANSPORT Zero carbon emissions from transport within the city; implementation
of measures to reduce the carbon cost
of journeys to the city boundaries (through facilitating and encouraging the use
of public transport, vehicle sharing, supporting low emissions vehicle initiatives) SUSTAINABLE MATERIALS Specifying high recycled materials content within building products; tracking and encouraging the reduction
of embodied
energy within material sand throughout the construction process; specifying the use
of sustainable materials such as Forest Stewardship Council certified timber, bamboo and other products SUSTAINABLE FOOD Retail outlets to meet targets for supplying organic food and sustainable and or fair trade products SUSTAINABLE WATER Per capita water consumption to be
at least 50 per
cent less than the national average; all waste water to be re-used HABITATS AND WILDLIFE All valuable species to be conserved or relocated with positive mitigation targets CULTURE AND HERITAGE Architecture to integrate local values.
Fukushima presented an opportunity for AGL
Energy because it meant that Tepco, the plant's operator, was no longer in a position to invest in Loy Yang A and was a distressed seller
of its one third stake in Loy Yang A. AGL
Energy, which already had a 32.5 per
cent stake in the plant, says Loy Yang A will remain one
of the lowest cost generators in the NEM because
of cheap coal
at the doorstep — it pays just $ 6 / t for brown coal, which would give it a massive advantage over black coal generators in NSW, which are facing costs
of $ 45 / t and will go higher in future years.