Energy efficiency can be improved by all of the following except...

insulated walls and roofs
using thermostats with timers on household heating/cooling devices that alter settings while occupants are out or asleep
increasing the thickness, weight, and sturdiness of cars
low wattage compact fluorescent or LEF light bulbs

Question

Energy efficiency can be improved by all of the following except...

       insulated walls and roofs
       using thermostats with timers on household heating/cooling devices that alter settings while occupants are out or asleep
       increasing the thickness, weight, and sturdiness of cars
       low wattage compact fluorescent or LEF light bulbs

pooja195 · Answer

what do you think?

anonymous · Answer

If a car is heavier, then it takes more gas to move it. 

Would that be saving energy?