Natural Gas is the cleanest source of primary energy, second only to renewable forms. The numbers in emitted pollutants are clearly smaller compared to those of conventional fuels, whereas the improvement of the degree of efficiency reduces overall fuel consumption and consequently it further restricts atmospheric pollution
| Fueltype |
Particles |
Nitrogen Oxide |
Sulphur Dioxide |
Carbon Monoxide |
Carbohydrates |
| Coal |
1.092 |
387 |
2.450 |
13 |
2 |
| Crude Oil |
96 |
170 |
1.400 |
14 |
3 |
| Diesel |
6 |
100 |
220 |
16 |
3 |
| N.G.. |
4 |
100 |
0,3 |
17 |
1 |
Source: Supplement A in ‘List of Pollutants emitted in the Air”, October, 1986, Environmental Protection Service of the USA
