AP Environmental Science / Unit 6: Energy Resources and Consumption
6.3 Fuel Types and Uses
Notes
- Wood and charcoal are common in developing countries.
- Coal types: lignite → bituminous → anthracite (more carbon, more energy).
- Natural gas is cleanest-burning fossil fuel; crude oil is refined into gasoline and more.
- Cogeneration uses waste heat.
Practice
Which coal has the highest energy content?
Most carbon.
The cleanest-burning fossil fuel:
Fewer emissions per unit energy.
Cogeneration means:
Combined heat and power.
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