News tagged with kilowatt hour


Oil, gas, propane? Penn State site compares home heating options

Other Sciences / Other

created Oct 09, 2008 | popularity 3.5 / 5 (4) | comments 0

(PhysOrg.com) -- That nip in the air means fall is here, and many homeowners are facing a drastically more expensive home-heating season. An energy specialist in Penn State's College of Agricultural Sciences says it's not ...





Search results for kilowatt hour


EarthTalk: Are hybrid cars really better for the environment?

Space & Earth / Environment

created Mar 30, 2009 | popularity 4.6 / 5 (32) | comments 16

Dear EarthTalk: If you have an electric or plug-in hybrid car, you're paying for electricity rather than gasoline all or most of the time. How does that cost compare to a gas-powered car's cost-per-mile? And since the electricity ...


'Fish technology' draws renewable energy from slow water currents

'Fish technology' draws renewable energy from slow water currents

Technology / Energy

created Nov 20, 2008 | popularity 4.5 / 5 (42) | comments 5

(PhysOrg.com) -- Slow-moving ocean and river currents could be a new, reliable and affordable alternative energy source. A University of Michigan engineer has made a machine that works like a fish to turn ...


Weighing the financial risks of nuclear power

Space & Earth / Environment

created Apr 03, 2007 | popularity 4.8 / 5 (4) | comments 0

Enticed by the gleam of government subsidies, many companies are rushing to invest in nuclear power, expecting that new technology and safer reactors will make them as good an investment as other types of power plants.


Report examines hidden costs of energy production and use

Space & Earth / Environment

created Oct 19, 2009 | popularity 2.5 / 5 (4) | comments 1

A new report from the National Research Council examines and, when possible, estimates "hidden" costs of energy production and use -- such as the damage air pollution imposes on human health -- that are not reflected in market ...


Winds of change

Winds of change

Technology / Energy

created Sep 11, 2009 | popularity 3 / 5 (5) | comments 1

Wind farms can be self-sustaining, concluded two Northeastern finance professors in a recent journal article. A few measures to increase productivity and decrease equipment costs could reduce the current dependence ...


Cheaper materials could be key to low-cost solar cells

Cheaper materials could be key to low-cost solar cells

Nanotechnology / Nanomaterials

created Feb 18, 2009 | popularity 4.1 / 5 (11) | comments 5

(PhysOrg.com) -- Unconventional solar cell materials that are as abundant but much less costly than silicon and other semiconductors in use today could substantially reduce the cost of solar photovoltaics, ...


Put the Trees in the Ground: A solution for the global carbon dioxide problem?

Put the Trees in the Ground: A solution for the global carbon dioxide problem?

Chemistry /

created May 13, 2008 | popularity 2.6 / 5 (7) | comments 6

Of the current global environmental problems, the excessive release of carbon dioxide from the combustion of fossil fuels and the related global warming is one of the most pressing.


Old carpet to fuel Shaw plant

Technology / Energy

created Jun 12, 2009 | popularity 2 / 5 (4) | comments 1

That old, weathered carpet torn out from your living room could now be used to make new carpet.


The 2009 Leonid Meteor Shower

The 2009 Leonid Meteor Shower

Space & Earth / Space Exploration

created Nov 10, 2009 | popularity 4.8 / 5 (4) | comments 0

This year's Leonid meteor shower peaks on Tuesday, Nov. 17th. If forecasters are correct, the shower should produce a mild but pretty sprinkling of meteors over North America followed by a more intense outburst ...


Free PC widgets save energy

Technology / Software

created Sep 23, 2009 | popularity 5 / 5 (3) | comments 2

I shaved 0.86 pounds of emissions from my carbon footprint and saved 0.646 kilowatt hours yesterday, and if the little widget on my PC can be believed, more than 22,000 people in 128 countries did roughly the same.



List of search results for kilowatt hour