Complex sentence: London General also received 3 Enviro400-bodied Volvo B9TLs in October 2008, they're being evaluated against integral Enviro400s and Wright Eclipse Gemini-bodied Volvo B7TLs that are extensively featured in Go-Ahead's London Central/General fleets.
Split into simpler sentences: London General also received 3 Enviro400-bodied Volvo B9TLs in October 2008. They're being evaluated against integral Enviro400s and Wright Eclipse Gemini-bodied Volvo B7TLs that are extensively featured in Go-Ahead's London Central/General fleets.