One key way to improve fuel economy is to reduce pumping losses. ...

[armygirl]

One key way to improve fuel economy is to reduce pumping losses. Which method is used in many hybrids to reduce pumping losses?
 
  A) Use variable valve timing B) Use electronic throttle control (ETC)
  C) Use the Atkinson cycle D) All of the above

Question 2

A loose ground connection ___________.
 
  A) Causes less power to be available to the electrical components
  B) Causes reduced current flow
  C) Both A and B
  D) Neither A nor B

[dyrone]

Answer to Question 1

D

Answer to Question 2

C

[armygirl]

Thanks for the timely response, appreciate it

[connor417]

YES! Correct, THANKS for helping me on my review