The electric drive system also benefits the vehicle's exterior design: the reduced cooling requirements of the drivetrain made it possible to minimize the radiator surface area. (greencarcongress.com)
As a result, designers optimized the car's front end for smooth airflow above, below and around the car without compromising styling or engine cooling requirements. (greencarcongress.com)
Efficient appliances not only reduce size of the solar installation needed, but also tend to keep the house cooler in the summer, reducing cooling requirements. (treehugger.com)