Participants in the RFS2 use the EPA Moderated Transaction System (EMTS) to submit transactions. EMTS incorporates features that help establish a well-functioning and transparent market for RINs. The EMTS data flow supports the reporting of all RIN transactions including the generation, separation, purchase and sale, and retirement of RINs.
The heating and cooling of air and water are essential parts of our everyday lives, supporting our comfort, safety, and productivity. However, these services come at a cost, with approximately 44% of energy consumption in the United States directly attributable to heating and cooling.
Types of Cooling Systems. Air conditioning, or cooling, is more complicated than heating. Instead of using energy to create heat, air conditioners use energy to take heat away. The most common air conditioning system uses a compressor cycle (similar to the one used by your refrigerator) to transfer heat from your house to the outdoors. Picture your house as a refrigerator. There is a compressor on the outside filled with a special fluid called a refrigerant.