Question

which is the least polluting fuel grade 8​

Answer 1

Answer:

c) Least polluting fuel for vehicles is Compressed Natural Gas(CNG).

Explanation:

Mark me brainliest

Answer 2

$\huge\color{blueviolet}{ᎪΝՏᏔᎬᎡ}$

compressed natural gas (CNG). As CNG doesn't produce smoke on burning it is the least polluting fuel for vehicles.