Compared to petrol, CNG combustion produces 25% less of what gas?(a) NOx(b) H(c) CO(d) CO2I have been asked this question at a job interview.The question is from Alternative Fuels in chapter Fuels, Intake System & Leakage Preventers of Automotive Engine Design

Compared to petrol, CNG combustion produces 25% less of what gas?(a) N

1.	Compared to petrol, CNG combustion produces 25% less of what gas?(a) NOx(b) H(c) CO(d) CO2I have been asked this question at a job interview.The question is from Alternative Fuels in chapter Fuels, Intake System & Leakage Preventers of Automotive Engine Design
Answer» Right ANSWER is (d) CO2 Explanation: Compared to petrol, COMPRESSED natural gas produces about 25% less CO2 and due to HIGH levels of methane, it gives the highest HC EMISSION.

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Compared to petrol, CNG combustion produces 25% less of what gas?(a) NOx(b) H(c) CO(d) CO2I have been asked this question at a job interview.The question is from Alternative Fuels in chapter Fuels, Intake System & Leakage Preventers of Automotive Engine Design

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