The EPA is expected to set limits on greenhouse-gas emissions by new power plants. Edelstein explores the implications such limits would have on the coal and electric car industries.
We need all of our domestic energy resources to create a balanced fuel portfolio and satisfy our growing demand for electricity, Tracey writes.
Fracking, or hydraulic fracturing, is a controversial process for extracting natural gas from shale. Critics of fracking question the environmental and health effects of pumping thousands of gallons of water and chemicals underground.