In principle, air conditioners and refrigeration units don't produce cold air. These systems transfer heat from one place to another and therefore reduce temperature in a confined area (passenger ...

During the constant worldwide campaign to make the planet as clean as possible, electric vehicle (EV) drivers have an improving chance of driving cars with fewer moving parts. One of an EV’s greatest ...

AC motors can operate without any moving electrical contacts and without first converting alternating current — delivered by the power company — to direct current. Tesla patented 20 distinctive kinds ...