In article , Agustin wrote:
I hope this is not too much off-topic, but here goes:
Someone told me that the Toyota Prius owners do not pay the Ken
Livingstone tax, due to the hybrid nature of its motor.
Could anyone tell me if this is true or not?

Yes. According to ww.tfl.gov.uk you just have to pay a £10 per year
exemption registration charge

--
Tony Bryer