Best Answer: BTU is an old fahioned term British Thermal Units and was used to calculate the amount of energy required to raise the temp of a room by a degree (using Therms as a unit here too), and is uses an energy calculation rather than a straight how much air does it push sort of calculation.est Answer: BTU is an old fahioned term British Thermal Units and was used to calculate the amount of energy required to raise the temp of a room by a degree (using Therms as a unit here too), and is uses an energy calculation rather than a straight how much air does it push sort of calculation.
Buses that primarily operate service within the city, but are not limited to this area. Local bus service varies depending on the route, but many run seven days a week and nearly 24 hours a day.
At the end of 2014, Metro Transit had more than 900 buses in its fleet. The majority of buses in Metro Transit's fleet are 40-feet standard diesel buses. Articulated, 60-foot buses are typically used on express routes that operate only during the busiest times of day (rush hours) and make fewer stops.