Just checked the below on their website https://tfl.gov.uk/modes/driving/ultra- ... ecker-ulez
Volvo 2.5 turbo petrol; meets the ULEZ standard

Our works Toyoyo Alphard pez Hybrid; does NOT meet the standard

Moderator: Moderators
You are still aloud to fart in central London but it must be no more than 120 microlitres in volume and must not emit an obnoxious odour.