More like two mouths Willetts. Typical politician says one thing with his left mouth and the opposite with his right mouth.
On this issue it has to be said that anything which causes people to drive less and reduce their carbon emissions can only be a good thing. Sustainability is vital in order to keep the world in a healthy condition for our children and their grand children.
Tim Yeo, for example, is doing his best for the country and the planet. Not only is this hard working man serving us all in Parliament as a minister of the environment but he has other hard working jobs as well and earns a pittance.
See below how little he gets paid for his services to the environment with other companies he works for:
http://www.theyworkforyou.com/mp/tim_yeo/south_suffolk