The cost of natural gas is significantly less than that of diesel and gasoline．
举一反三
- Natural gas vehicles have lower emissions compared with conventional cars running on diesel or gasoline．
- what can be used as fuel for automotive engine?() A: Natural gas B: diesel C: propane Gasoline D: Gasoline
- Natural gas give less carbon dioxide than coal. A: up B: in C: down D: off
- When marginal cost is less than average cost,
- Natural gas has a higher heating value than coal.