Word: kilowatter
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Today's fuel cells can not compete on a price basis with mass-produced internal combustion engines. The usual indicator of measuring the cost-efficiency of an engine is the amount of money required to build one that puts out a kilowatt of power (about 1.3 horsepower...
...that scale, an internal combustion engine is about $50 per kilowatt. In comparison, a proton-exchange-membrane (PEM) fuel cell--the ideal fuel cell for vehicles--costs up to $10,000 per kilowatt, according to Maru...
That adds up to over 225 million kilowatt-hoursof electricity, over one billion pounds of steam,and 45 million ton-hours of refrigeration eachyear...
...supported by Michael Lichten, director of the FAS office of Physical Resources, and has led to significant reductions in energy and water use by heightening student awareness of resource conservation. Spin-offs on this idea have include the recent conversion of all the fluorescents, saving an estimated 93,600 kilowatt hours annually which translates into $17,000 in utility charges...
...estimates that every kilowatt-hour ofelectricity saved prevents the emission of 1.5pounds of carbon dioxide, 5.8 grams of sulfurdioxide, and 2.5 grams of nitrogen oxides. Thesethree gases comprise the bulk of air pollution