In order to make vehicles more energy efficient, what can be done?

a. improve fuel standards; more miles per gallon
b. improve engine design
c. reduce the weight of the car
d. all of the above

I’d say D. All of the above, but I’m not particularly knowledgeable about this, so I could be wrong.

divide the right side by the left side

0.024÷1.2=0.02 for example

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table