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