A bit like the Evening News story covered here a while back.
Three takes on an MP claiming as little as 40p for a journey by bike:
http://www.metro.co.uk/news/854617-bike-mp-saddles-us-with-40p-bill
http://www.dailymail.co.uk/news/article-1353207/MPs-thousands-pounds-expenses-claims-rejected.html
http://www.bikebiz.com/news/read/newspaper-calls-it-wrong-on-mp-s-bike-expenses