Methane is actually going to be worth lots of money when petrol runs out. People are thinking about going to the bottom of the ocean to retrieve methane for fuel. Charging tax as an incentive to cut back on methane production would be silly... What do you want us to do? Walk to the shops?


I see $$$$:

1. Cow(s)
2. Pipe(s)
3. ????
4. PROFIT!!!

:p