The energy to do this usually comes from natural gas, reducing efficiency and increasing greenhouse-gas emissions.
Sure, a big hail storm or the like will do a number on your megabucks rooftop installation, but the sun itself, the very thing those cells are designed to capture, gradually damages their internals, reducing efficiency.
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Yet it is a tangled mess, increasingly reliant on regressive taxes, such as the payroll tax, and full of subsidies that benefit rich people while reducing economic efficiency.
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There are many barriers to energy efficiency so reducing the tax is a no-brainer.
Still, there are few breakthroughs as promising for increasing fuel efficiency and reducing our dependence on oil as electric vehicles.
New biofuel installations will have to meet a minimum 60% threshold in terms of their efficiency in reducing greenhouse gas emissions.
Further improvement is needed in energy efficiency and reducing carbon dioxide emissions per unit of GDP, with carbon taxation preferable to emissions trading.
The design aims to increase efficiency by reducing the amount of energy lost when sunlight is reflected off the solar cell or absorbed into the material before reaching the contact wires.
The 2010 National Medal of Technology and Innovation to Rakesh Agrawal, Purdue University, for an extraordinary record of innovations in improving the energy efficiency and reducing the cost of gas liquifaction and separation.
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Arraycomm's approach allows the base station to constantly adapt the characteristics of the signal as the user moves around, keeping it focused, increasing spectrum efficiency and reducing interference from all the other signals permeating the air.
In our research we aim to be able to emulate this approach in a new kind of software that can provide significant benefits in improving the efficiency of traffic flow, hence improving road space utilisation, reducing journey times and potentially, improving fuel efficiency.
Other suggested cuts include reducing management numbers, greater efficiency and a lower level of expenses.
The initiatives include reducing administration costs and improving marketing efficiency but the company has not ruled out some job losses.
Proponents claim that its application can work wonders, increasing efficiency, boosting morale and reducing turnover.
The real benefit here will turn out to be in improving the efficiency of the health care system, reducing waits and endlessly repeated forms.
Broadly speaking, this means carbon footprint reporting and building energy efficiency and monitoring, analyzing, reporting and reducing energy consumption.
On the plus side, the foundation acknowledged that substantial progress had been made in improving energy efficiency in both new and existing homes and reducing fuel poverty among vulnerable groups.
Experts say flat tax models, such as the plan put forward by Mr Perry, are usually favoured by those hoping to increase efficiency and fairness in the system, while reducing complexity.
Energy efficiency has been touted as the low hanging fruit in reducing energy consumption.
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Energy efficiency is often touted as the low-hanging fruit in reducing energy consumption.
For example, data on miles traveled, gasoline consumption, driving habits, and maintenance history can help improve fuel efficiency and save families and businesses money at the pump while reducing harmful air pollution.
And by ignoring her right to do so, by reducing her freedom, the Court also revealed an astonishing lack of respect for the efficiency and fairness of free markets.
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