Table:
text: San Francisco Municipal Railway fleet
Current fleet
Current fleet
Length_Fuel Model Year_Built Quantity Floor_Styling Wheelchair_access
40ft./Diesel Bus Neoplan AN440 2000-2003 206 High Yes
40ft./ Diesel-electric Hybrid Bus Orion Bus VII 2007 56 Semi-low Yes
30ft./ Diesel-electric Hybrid Bus Orion Bus VII 2007 30 Semi-low Yes
60ft./ Articulated Diesel Bus Neoplan AN460 2002-2003 124 High Yes
40ft./ Diesel-electric Hybrid Bus New Flyer Industries XDE40 2013 62 Semi-low Yes
40ft./ Trolleybus ETI 14TrSF 2001-2003 (first two were built in 1999) 240 High Yes
60ft./ Articulated Trolleybus New Flyer E60HF 1992-1994 28 High Yes
60ft./ Articulated Trolleybus ETI 15TrSF 2003 33 High Yes
Light-Rail Vehicle Breda LRV2/LRV3 1997-2003 151 High Yes, at certain stops.

Question: What is the length/fuel capacity of the bus with a quantity of 30 in the San Francisco Municipal Railway fleet?