Which fuel produces the least air pollution?
Which fuel produces the least air pollution? Burning natural gas for energy results in fewer emissions of nearly all types of air pollutants and carbon dioxide (CO2) than burning coal or petroleum products to produce an equal amount of energy. Which of the fossil fuels is the cleanest to burn? Why Natural Gas is the Clean Fuel of Choice Compared with some other fossil fuels, natural gas emits the least amount of carbon dioxide into the air when combusted -- making natural gas the cleanest burning fossil fuel of all. Which fuel is the most efficient? Diesel engines generally achieve...