- acid drainage
- aerobic
- anaerobic
- coal
- coalbed methane
- cogeneration
- crude oil
- energy conservation
- Hubbert’s Peak
- kerogen
- natural gas
- net energy
- peat
- petroleum
- primary extraction
- proven recoverable reserve
- pyrolysis
- reserves-to-production ratio (R/P ratio)
- secondary extraction
- strip mining
- subsurface mining