closeup of a pile of three coal briquettes isolated on white background

Tags
anthracite black briquette carbon charcoal co2 coal comparison compressed dark dirty dusty egg coal electricity energy energy generation energy mix energy sources fire fire place fireplace fossil fuel green power hard coal heat industry lignite mineral mining odor oven piece power power production rectangular renewable resource resource conservation stone unlasting warm winter
Similar Photos
  • 66
  • 0
License and Use
Free for commercial use No attribution required
Share