Fossil fuels
Starter
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BURNING
CAPROCK
CHEMICAL
COAL
ENERGY
FOSSILS
FUEL
HEAT
HEAT
LIGHT
OIL
PETROL
REMAINS
SMOKE
| J | M | T | H | G | I | L | K | S |
| G | L | S | M | O | K | E | L | C |
| N | O | N | O | S | Q | A | D | A |
| I | R | I | B | L | C | E | E | P |
| N | T | A | L | I | F | T | N | R |
| R | E | M | M | S | U | A | E | O |
| U | P | E | A | S | E | E | R | C |
| B | H | R | R | O | L | H | G | K |
| C | O | A | L | F | V | F | Y | T |
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