What can reduce fuel usage?
airplanes adding heat trains evaporation buses Metling snow car pools exercise
A B C D E F G H
Arrange carpools to conserve fuel.
decreasing the amount of cars used conserves fuel
What can reduce fuel usage? (A) airplanes (B) adding heat (C) trains (D) evaporation (E) buses (F) Metling snow (G) car pools (H) exercise