What Car? says...

Praise be to the Peugeot e-Traveller because you can now drive your extended family through London without burning fossil fuels or having to resort to one of those expensive horse-drawn carriages.

Yes, you read that right: this very large eight-seat (or seven, if configured as such) van-based MPV is actually an electric vehicle. The e-Traveller is not only quiet enough to avoid startling the horses trotting down The Mall, but also avoids the congestion charge.