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Question
Which of the following auto motive fuels causes the least pollution?
Options
Petrol
Diesel
CNG
All causes equal pollution.
MCQ
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Solution
CNG
Explanation:
Compressed natural gas burns cleaner than petrol or diesel, producing fewer particulates, less soot/sulfur, and generally lower emissions of CO, hydrocarbons, and NOx from the tailpipe, so CNG vehicles cause less air pollution than petrol or diesel vehicles.
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