py_megapixel
Established Member
I'm currently on an Optare Solo hybrid. For some reason, every now and again, I can hear the diesel engine revving very hard when the bus is stopped. It sounds like it's trying to climb a hill in the wrong gear.
Any idea why this might be? I haven't experienced this on ADL or Wright hybrids.
Any idea why this might be? I haven't experienced this on ADL or Wright hybrids.