Question

Name any two fuel which cause lesser pollution than petrol or diesel and can be used to run vehicle

Answer 1

CNG
Natural gas
Fossil fuels (Coal)

Hope it will help you lot

Answer 2

Combustion of natural gases produces negligible amounts of sulfur, mercury, and particulates..

Which means that natural gases such as hydrogen and carbon monoxide which are not harmful can be used for the production of fuel which causes less pollution than petrol or diesel...