Question

which fuel causes less pollution

options are

1. petrol. 2. CNG

3. kerosene. 4. coal​

Answer 1

Answer:

CNG

Explanation:CNG on burning leaves no residues unlike the other fuels.

Answer 2

There actually are simple... Hydrogen gas is least polluting. Actually pollution caused by burning hydrogen gas is zero because when hydrogen gas burns with oxygen the products of combusion is water/water vapour.CNG burns cleaner than petroleum based products because of its lower carbon content. It produces the fewest emissions of all other fuels and contains significantly less pollutants than gasoline. CNG produces 20-30% fewer greenhouse gas emissions and 95% fewer tailpipe emissions than petroleum productsCNG, being a hydrocarbon fuel, does produce exhaust emissions like all other hydrocarbon fuels, which are inherently polluting and cannot be regarded as totally clean fuel like electricity. However, CNG is much less polluting and hence, much more environmentally acceptable that conventionally used petrol/diesel.Compressed natural gas is a clean-burning fuel. It is actually the cleanest of all fossil fuels. ... CNG also produces 45% less hydrocarbons than gasoline. And although natural gas also produces greenhouse gases, it is considerably reduced compared to gasoline or diesel