The Energy Secretary Chris Huhne's confirmed a radical plan to cut the Government's carbon emissions and it involves a cabinet colleague.
In a statement, Mr Huhne says all lighting in Whitehall will be powered by the Communities secretary Eric Pickles running on a treadmill.
"Eric's been trying to lose weight and do dome good at the same time, and this is the perfect solution." Mr Huhne said. "The treadmill will be used to power a dynamo that'll generate enough electricity to keep the lights in our offices burning long and bright, every night of the year."
It's understood that Mr Pickles agreed to the experiment after requiring surgery to remove a steak and kidney pie blocking his oesophagus, although he only noticed it when his Greggs sausage roll started to back-up.
In order to keep the Communities Secretary interested in running for the length of time required to keep the lights on, a selection of his favourite food will be suspended in front of him, in a modern take on the carrot-and-stick approach.
In a reciprocal move, Chris Huhne's agreed to help cut Mr Pickles' department's energy bills by burning effigies of his ex-wife Vicky Price.