This school bus fleet CNG station is configured for primary fueling through the time fill system and backup fueling through cascade fast fill. Most of the vehicles in this fleet overnight in the yard, but fast fill addresses those buses that do not stay long enough to time fill.

Time fill provides several advantages for fleets that are parked overnight in the yard:

1. Time fill often reduces the size of compression equipment required.

2. This results in lower capital, power and maintenance costs.

3. Time fill systems are very simple and thus are very reliable.

4. Time fill provides a very complete vehicle fills without high technology fill algorithms.