________________________________________________________
| C | H | O | CO |CH_{4}|C_{2}H_{4}
+----+-----+---+----+------+----------
Anthracite |87.7| 3.3 |3.2| | |
Bituminous |80.8| 5.0 |8.2| | |
Petroleum |84.8|13.1 |1.5| | |
Coal gas | | 6.5 | |14.3| 52.4 | 14.8
Generator gas | | 1.98| |35.5| 1.46|
Water gas | | 6.3 |0.6|87.8| 1.2 |
------------------+----+-----+---+----+------+----------