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Author Question: Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is ... (Read 46 times)

leo leo

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on: Aug 13, 2021

Question 1

Which EPA bin number indicates a cleaner vehicle?
◦ 3
◦ 8
◦ 10
◦ 11

Question 2

Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is operating.)
◦ HC
◦ CO
◦ CO2
◦ O2


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Marked as best answer by leo leo on Aug 13, 2021

bob

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Reply #1 on: Aug 13, 2021

Answer 1

3

Answer 2

CO2


leo leo

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Reply 2 on: Aug 13, 2021
Gracias!

jojobee318

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Reply 3 on: Yesterday
Wow, this really help

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