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DJSkopes DJSkopes
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5 years ago
Hybrid electric vehicle gasoline engines often use what systems to achieve maximum fuel economy?
A) Returnless fuel delivery system      B) Variable valve timing
C) Wideband oxygen sensors      D) All of the above
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griffinpgriffinp
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5 years ago
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DJSkopes Author
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#2
5 years ago
God bless you! Helped my grade so much.
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