All of the Following Statements Are True EXCEPT

All of the following statements are true EXCEPT:

A) LPG tends to settle out as a liquid in the intake manifold.
B) LPG has a higher octane; therefore, it can be used in engines with higher compression ratios.
C) less frequent oil change intervals are required because LPG is a dry gas so it does not create carbon in the combustion chamber.
D) LPG burns cleanly, produces fewer emissions, and lacks the objectionable exhaust odor of incompletely burned gasoline.