In the U.S., electricity is produced from these sources. If you are reading this on a handheld and can't read Wikipedia's wonderful pie chart, here is the breakdown:
48.9% -- Coal
20% -- Natural Gas
19.3% -- Nuclear
1.6% -- Petroleum
A tick over 88% of U.S. electricity comes from three sources: coal, gas and nuclear. Petroleum brings the contribution of so-called "evil" energy--that is, energy that is carbon- or uranium-based--to almost 90% ...
The Waxman-Markey bill that passed the House on Friday by a 219-212 margin will punitively tax energy sources that contribute 90% of current U.S. electricity (or 71% if you want to leave out nuclear). The taxes will be used to subsidize the 10% renewable contributors (but really just 3% after you leave out hydro).
In other words, Waxman-Markey is betting the future of U.S. electricity production on sources that now contribute 3% or supply 10 million Americans with electricity. That's enough juice for the people in Waxman's Los Angeles County. Or, if you prefer, for Nancy Pelosi's metro San Francisco plus Markey's metro Boston.
I encourage you to read the entire piece, and to continue reading anything you can on this legislation. Continuing to educate yourself on this matter will be crucial as the Senate takes up this measure in the weeks and months ahead.