Albuquerque NM calls it Rapid Ride (c). Rapid Ride runs on normal streets with other traffic. it also has a parallel local route.
@venom2nd - no worries, thats not an ISC. bigken6005 is right this a L Gas Plus.
MTA # 9200 - 9495 have the Cummins L Gas Plus / Allison B500R6. All the 9500s have Cummins ISL-G.
Those BRT 60s were originally Cummins L-Gas +
@Nabinut It's an L-Gas cause The ISL-G replaced the L-Gas.
They put an ISC in that big ass bus?!
These for some reason remind me of SF Muni's old 1984 M.A.N's
no cummins l - gas it compress natural gas
@Nabinut
It's the L Gas Plus. It's probably had been somewhat based on the C Gas Plus. I know these don't sound like the ISL Gs in WMATAs buses or in the 9400s on up.