Carbon dioxide 1 Carbon dioxide emissions 1 Coal displacement 1 Commerce 1 Costs 1 Electric power generation 1 Electricity markets 1 Emissions 1 Environment 1 Environmental implications Fossil fuel power plants 1 Gas emissions 1 Gas plants 1 Gas power plants 1 Global warming 1 Market structure 1 Market structures 1 Natural gas 1 Natural gasoline plants Particulate emissions 1 Power markets 1 Power plant operators 1 Shale gas 1 Underlying factors 1 Utilities 1